|
|
Speakers & Transducers MTD SPEAKER 1500HZ 88DB 8 OHMS
- PB-2315PK
- Mallory Sonalert
-
1:
3,65 €
-
126In Stock
|
Mouser Part No
539-PB-2315PK
|
Mallory Sonalert
|
Speakers & Transducers MTD SPEAKER 1500HZ 88DB 8 OHMS
|
|
126In Stock
|
|
|
3,65 €
|
|
|
2,79 €
|
|
|
2,52 €
|
|
|
2,51 €
|
|
|
View
|
|
|
2,24 €
|
|
|
2,04 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
PCB Mount
|
1.5 kHz
|
88 dBA
|
8 Ohms
|
100 mW
|
Round
|
Solder Pin
|
- 20 C
|
+ 55 C
|
23 mm
|
|
|
8.4 mm
|
|
|
|
|
|
|
Speakers & Transducers MTD SPEAKER 1250HZ 95DB 8 OHMS
- PB-3212PK
- Mallory Sonalert
-
1:
4,08 €
-
60In Stock
|
Mouser Part No
539-PB-3212PK
|
Mallory Sonalert
|
Speakers & Transducers MTD SPEAKER 1250HZ 95DB 8 OHMS
|
|
60In Stock
|
|
|
4,08 €
|
|
|
3,11 €
|
|
|
2,81 €
|
|
|
2,54 €
|
|
|
2,31 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
PCB Mount
|
1.25 kHz
|
95 dBA
|
8 Ohms
|
100 mW
|
Round
|
Solder Pin
|
- 20 C
|
+ 55 C
|
31.8 mm
|
|
|
15 mm
|
Ferrite
|
|
|
|
|
|
Speakers & Transducers SPEAKER 8 OHM .25W 27MM MYLAR PLASTIC
- PSR-27N08S01-JQ
- Mallory Sonalert
-
1:
2,11 €
-
68In Stock
|
Mouser Part No
539-PSR-27N08S01-JQ
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 8 OHM .25W 27MM MYLAR PLASTIC
|
|
68In Stock
|
|
|
2,11 €
|
|
|
1,60 €
|
|
|
1,44 €
|
|
|
1,26 €
|
|
|
1,14 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
750 Hz
|
84 dBA
|
8 Ohms
|
250 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
27 mm
|
|
|
5 mm
|
Ferrite
|
Mylar
|
|
|
|
|
Speakers & Transducers SPEAKER 1200HZ 86DB 10X2.9 METAL STK
- PSR10N08AK
- Mallory Sonalert
-
1:
2,72 €
-
59In Stock
|
Mouser Part No
539-PSR10N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 1200HZ 86DB 10X2.9 METAL STK
|
|
59In Stock
|
|
|
2,72 €
|
|
|
2,07 €
|
|
|
1,85 €
|
|
|
1,60 €
|
|
|
View
|
|
|
1,46 €
|
|
|
1,33 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
1.2 kHz
|
86 dBA
|
8 Ohms
|
300 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
10 mm
|
|
|
2.9 mm
|
Neodymium Iron Boron (NdFeB)
|
Mylar
|
|
|
|
|
Speakers & Transducers SPEAKER 1000HZ 90DB 12X3 METAL STK
- PSR12N08AK
- Mallory Sonalert
-
1:
2,95 €
-
397In Stock
|
Mouser Part No
539-PSR12N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 1000HZ 90DB 12X3 METAL STK
|
|
397In Stock
|
|
|
2,95 €
|
|
|
2,25 €
|
|
|
2,03 €
|
|
|
1,87 €
|
|
|
View
|
|
|
1,72 €
|
|
|
1,62 €
|
|
|
1,47 €
|
|
|
1,36 €
|
|
|
1,33 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
1 kHz
|
90 dBA
|
8 Ohms
|
500 mW
|
Round
|
Solder Pad
|
- 25 C
|
+ 55 C
|
12 mm
|
|
|
3 mm
|
Neodymium Iron Boron (NdFeB)
|
|
|
|
|
|
Speakers & Transducers SPEAKER 520HZ 92DB 26X4.1 METAL STK
- PSR26N08AK
- Mallory Sonalert
-
1:
2,98 €
-
27In Stock
|
Mouser Part No
539-PSR26N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 520HZ 92DB 26X4.1 METAL STK
|
|
27In Stock
|
|
|
2,98 €
|
|
|
2,61 €
|
|
|
2,56 €
|
|
|
2,33 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
6.5 kHz
|
92 dBA
|
8 Ohms
|
200 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
26 mm
|
|
|
4.1 mm
|
|
Mylar
|
|
|
|
|
Speakers & Transducers SPEAKER 460HZ 88DB 29.7X5.8 METAL STK
- PSR30N08AK
- Mallory Sonalert
-
1:
5,66 €
-
98In Stock
|
Mouser Part No
539-PSR30N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 460HZ 88DB 29.7X5.8 METAL STK
|
|
98In Stock
|
|
|
5,66 €
|
|
|
5,36 €
|
|
|
3,78 €
|
|
|
3,73 €
|
|
|
View
|
|
|
3,51 €
|
|
|
3,29 €
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
460 Hz
|
88 dBA
|
8 Ohms
|
100 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
29.7 mm
|
|
|
5.8 mm
|
|
|
|
|
|
|
Speakers & Transducers SPEAKER 570HZ 104DB 36X4.8 METAL STK
- PSR36N08AK
- Mallory Sonalert
-
1:
4,27 €
-
57In Stock
|
Mouser Part No
539-PSR36N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 570HZ 104DB 36X4.8 METAL STK
|
|
57In Stock
|
|
|
4,27 €
|
|
|
3,27 €
|
|
|
2,95 €
|
|
|
2,54 €
|
|
|
View
|
|
|
2,30 €
|
|
|
2,29 €
|
|
|
2,23 €
|
|
|
2,03 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
570 Hz
|
104 dBA
|
8 Ohms
|
1 W
|
Round
|
Solder Pad
|
- 40 C
|
+ 55 C
|
36 mm
|
|
|
4.8 mm
|
Neodymium Iron Boron (NdFeB)
|
|
|
|
|
|
Speakers & Transducers Dynamic Speaker
- SM400616-1
- DB Unlimited
-
1:
3,94 €
-
247In Stock
|
Mouser Part No
497-SM400616-1
|
DB Unlimited
|
Speakers & Transducers Dynamic Speaker
|
|
247In Stock
|
|
|
3,94 €
|
|
|
2,86 €
|
|
|
2,59 €
|
|
|
2,19 €
|
|
|
View
|
|
|
2,09 €
|
|
|
2,03 €
|
|
|
1,88 €
|
|
|
1,80 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Dynamic
|
Frame Mount
|
600 Hz
|
90 dBA
|
16 Ohms
|
250 mW
|
Oval
|
Solder Pad
|
- 25 C
|
+ 55 C
|
|
39 mm
|
19.2 mm
|
|
|
Mylar
|
|
|
|
|
Speakers & Transducers Dynamic Speaker
- SP400816-1
- DB Unlimited
-
1:
3,13 €
-
48In Stock
|
Mouser Part No
497-SP400816-1
|
DB Unlimited
|
Speakers & Transducers Dynamic Speaker
|
|
48In Stock
|
|
|
3,13 €
|
|
|
2,31 €
|
|
|
1,96 €
|
|
|
1,78 €
|
|
|
View
|
|
|
1,69 €
|
|
|
1,61 €
|
|
|
1,50 €
|
|
|
1,43 €
|
|
|
1,42 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Dynamic
|
Flush Mount
|
850 Hz
|
98 dBA
|
16 Ohms
|
250 mW
|
Round
|
Solder Eyelet
|
- 25 C
|
+ 55 C
|
40 mm
|
|
|
|
|
Paper
|
|
|
|
|
Speakers & Transducers Dynamic Speaker
- SP500408-3
- DB Unlimited
-
1:
2,67 €
-
128In Stock
|
Mouser Part No
497-SP500408-3
|
DB Unlimited
|
Speakers & Transducers Dynamic Speaker
|
|
128In Stock
|
|
|
2,67 €
|
|
|
1,97 €
|
|
|
1,67 €
|
|
|
1,63 €
|
|
|
View
|
|
|
1,43 €
|
|
|
1,38 €
|
|
|
1,28 €
|
|
|
1,22 €
|
|
|
1,19 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Dynamic
|
Flush Mount
|
430 Hz
|
84 dBA
|
8 Ohms
|
400 mW
|
Round
|
Solder Eyelet
|
- 25 C
|
+ 55 C
|
50 mm
|
|
|
|
|
Paper
|
|
|
|
|
Speakers & Transducers SPEAKER 600HZ 82DB 16X2.55 METAL STK
- PSR16N08AK
- Mallory Sonalert
-
1:
5,59 €
-
25In Stock
|
Mouser Part No
539-PSR16N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 600HZ 82DB 16X2.55 METAL STK
|
|
25In Stock
|
|
|
5,59 €
|
|
|
4,83 €
|
|
|
3,37 €
|
|
|
3,23 €
|
|
|
View
|
|
|
3,03 €
|
|
|
2,81 €
|
|
|
2,48 €
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
600 Hz
|
84 dBA
|
8 Ohms
|
300 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
16 mm
|
|
|
2.55 mm
|
|
Mylar
|
|
|
|
|
Speakers & Transducers SPEAKER 560HZ 92DB 20.2X3.1 METAL STK
- PSR20N08AK
- Mallory Sonalert
-
1:
3,27 €
-
40In Stock
|
Mouser Part No
539-PSR20N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 560HZ 92DB 20.2X3.1 METAL STK
|
|
40In Stock
|
|
|
3,27 €
|
|
|
2,50 €
|
|
|
2,25 €
|
|
|
2,09 €
|
|
|
View
|
|
|
1,75 €
|
|
|
1,63 €
|
|
|
1,52 €
|
|
|
1,50 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
560 Hz
|
92 dBA
|
8 Ohms
|
300 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
20 mm
|
|
|
3.1 mm
|
Neodymium Iron Boron (NdFeB)
|
|
|
|
|
|
Speakers & Transducers SPEAKER 420HZ 107DB 77X77X24 METAL STK
- PSR7777N08AK
- Mallory Sonalert
-
1:
6,94 €
-
24In Stock
|
Mouser Part No
539-PSR7777N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 420HZ 107DB 77X77X24 METAL STK
|
|
24In Stock
|
|
|
6,94 €
|
|
|
5,81 €
|
|
|
4,05 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
420 Hz
|
107 dBA
|
8 Ohms
|
2 W
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
77 mm
|
77 mm
|
77 mm
|
24 mm
|
|
Mylar
|
|
|
|
|
Speakers & Transducers SPEAKER 500HZ 109DB 87X87X34.2METAL STK
- PSR8787N08AK
- Mallory Sonalert
-
1:
8,48 €
-
24In Stock
|
Mouser Part No
539-PSR8787N08AK
|
Mallory Sonalert
|
Speakers & Transducers SPEAKER 500HZ 109DB 87X87X34.2METAL STK
|
|
24In Stock
|
|
|
8,48 €
|
|
|
6,74 €
|
|
|
6,02 €
|
|
|
5,58 €
|
|
|
View
|
|
|
5,20 €
|
|
|
5,14 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
7.5 kHz
|
121 dBA
|
8 Ohms
|
12 W
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
87 mm
|
87 mm
|
87 mm
|
34.2 mm
|
|
Mylar
|
|
|
|
|
Speakers & Transducers Speakers
- CDM-10008
- Same Sky
-
1:
2,06 €
-
2 847Expected 16/11/2026
|
Mouser Part No
490-CDM-10008
|
Same Sky
|
Speakers & Transducers Speakers
|
|
2 847Expected 16/11/2026
|
|
|
2,06 €
|
|
|
1,59 €
|
|
|
1,38 €
|
|
|
1,32 €
|
|
|
View
|
|
|
1,26 €
|
|
|
1,08 €
|
|
|
0,998 €
|
|
|
0,894 €
|
|
|
0,839 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
1.2 kHz
|
86 dBA
|
8 Ohms
|
300 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
10 mm
|
|
|
2.9 mm
|
Neodymium Iron Boron (NdFeB)
|
Mylar
|
|
|
|
|
Speakers & Transducers Speakers
- CDM-20008
- Same Sky
-
1:
2,45 €
-
1 630Expected 16/10/2026
|
Mouser Part No
490-CDM-20008
|
Same Sky
|
Speakers & Transducers Speakers
|
|
1 630Expected 16/10/2026
|
|
|
2,45 €
|
|
|
1,87 €
|
|
|
1,69 €
|
|
|
1,48 €
|
|
|
View
|
|
|
1,37 €
|
|
|
1,27 €
|
|
|
1,20 €
|
|
|
1,13 €
|
|
|
1,07 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
560 Hz
|
92 dBA
|
8 Ohms
|
300 mW
|
Round
|
Solder Pad
|
- 20 C
|
+ 55 C
|
20 mm
|
|
|
3.1 mm
|
Neodymium Iron Boron (NdFeB)
|
Mylar
|
|
|
|
|
Speakers & Transducers 28 mm, Round Frame, 2 W, 8 Ohm, Neodymium Magnet, PEI Cone, Wire Leads with Connector, Speaker
- CMS-28528N-L152B
- Same Sky
-
1:
4,16 €
-
2 046Expected 02/10/2026
|
Mouser Part No
490-CMS-28528N-L152B
|
Same Sky
|
Speakers & Transducers 28 mm, Round Frame, 2 W, 8 Ohm, Neodymium Magnet, PEI Cone, Wire Leads with Connector, Speaker
|
|
2 046Expected 02/10/2026
|
|
|
4,16 €
|
|
|
3,15 €
|
|
|
2,73 €
|
|
|
2,53 €
|
|
|
View
|
|
|
2,43 €
|
|
|
2,22 €
|
|
|
2,06 €
|
|
|
1,96 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Micro
|
Frame Mount
|
750 Hz
|
99 dBA
|
8 Ohms
|
2 W
|
Round
|
Wire Leads
|
- 20 C
|
+ 55 C
|
28 mm
|
|
|
5.2 mm
|
Neodymium Iron Boron (NdFeB)
|
Polyethylene Terephthalate (PET)
|
|
|
|
|
Speakers & Transducers Speakers
- CVS-3108
- Same Sky
-
1:
3,55 €
-
1 057Expected 20/11/2026
|
Mouser Part No
490-CVS-3108
|
Same Sky
|
Speakers & Transducers Speakers
|
|
1 057Expected 20/11/2026
|
|
|
3,55 €
|
|
|
2,71 €
|
|
|
2,26 €
|
|
|
2,09 €
|
|
|
View
|
|
|
1,87 €
|
|
|
1,79 €
|
|
|
1,68 €
|
|
|
1,65 €
|
|
|
1,64 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Micro
|
PCB Mount
|
1.25 kHz
|
95 dBA
|
8 Ohms
|
100 mW
|
Round
|
Solder Pin
|
- 20 C
|
+ 55 C
|
31.8 mm
|
|
|
20.5 mm
|
Neodymium Iron Boron (NdFeB)
|
Polyethylene Terephthalate (PET)
|
|
|
|
|
Speakers & Transducers .3W 32 OHM 87DBA 2100HZ MYLAR
- AST-01532MR-R
- PUI Audio
-
1:
4,31 €
-
649Expected 25/12/2026
|
Mouser Part No
665-AST01532MRR
|
PUI Audio
|
Speakers & Transducers .3W 32 OHM 87DBA 2100HZ MYLAR
|
|
649Expected 25/12/2026
|
|
|
4,31 €
|
|
|
3,30 €
|
|
|
2,98 €
|
|
|
2,76 €
|
|
|
View
|
|
|
2,57 €
|
|
|
2,22 €
|
|
|
2,07 €
|
|
|
2,04 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
PCB Mount
|
2.1 kHz
|
87 dBA
|
32 Ohms
|
300 mW
|
Round
|
Solder Pin
|
- 20 C
|
+ 55 C
|
15 mm
|
|
|
7.5 mm
|
Neodymium Iron Boron (NdFeB)
|
Mylar
|
|
|
|
|
Speakers & Transducers Piezo Indicator 30mm 2.5KHz 100dB
- AS03704PS
- PUI Audio
-
1:
6,06 €
-
35Expected 16/09/2026
-
New At Mouser
|
Mouser Part No
665-AS03704PS
New At Mouser
|
PUI Audio
|
Speakers & Transducers Piezo Indicator 30mm 2.5KHz 100dB
|
|
35Expected 16/09/2026
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
|
|
|
|
4 Ohms
|
8 W
|
Square
|
Screw
|
- 20 C
|
+ 55 C
|
|
37 mm
|
37 mm
|
|
|
|
|
|
|
|
Speakers & Transducers speaker, 30mm round, 5.8mm deep, PET, Nd-Fe-B, 1.5 W, 8 ?, 550 Hz, wire leads
- CMS-3058-18L200
- Same Sky
-
1:
3,48 €
-
600Expected 21/08/2026
-
New Product
|
Mouser Part No
179-CMS-3058-18L200
New Product
|
Same Sky
|
Speakers & Transducers speaker, 30mm round, 5.8mm deep, PET, Nd-Fe-B, 1.5 W, 8 ?, 550 Hz, wire leads
|
|
600Expected 21/08/2026
|
|
|
3,48 €
|
|
|
2,52 €
|
|
|
2,24 €
|
|
|
1,99 €
|
|
|
View
|
|
|
1,85 €
|
|
|
1,73 €
|
|
|
1,57 €
|
|
|
1,46 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Speaker
|
Panel Mount
|
|
87 dB
|
8 Ohms
|
1.5 W
|
Round
|
Wire Leads
|
- 20 C
|
+ 55 C
|
30 mm
|
|
|
|
Neodymium Iron Boron (NdFeB)
|
Polyethylene Terephthalate (PET)
|
|
|
|
|
Speakers & Transducers speaker, 30mm round, 5.8mm deep, PET, Nd-Fe-B, 1.5 W, 8 ?, 550 Hz, solder pads
- CMS-3058-18SP
- Same Sky
-
1:
3,17 €
-
600Expected 20/08/2026
-
New Product
|
Mouser Part No
179-CMS-3058-18SP
New Product
|
Same Sky
|
Speakers & Transducers speaker, 30mm round, 5.8mm deep, PET, Nd-Fe-B, 1.5 W, 8 ?, 550 Hz, solder pads
|
|
600Expected 20/08/2026
|
|
|
3,17 €
|
|
|
2,30 €
|
|
|
2,05 €
|
|
|
1,81 €
|
|
|
View
|
|
|
1,69 €
|
|
|
1,57 €
|
|
|
1,43 €
|
|
|
1,33 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Speaker
|
Panel Mount
|
|
87 dB
|
8 Ohms
|
1.5 W
|
Round
|
Solder
|
- 20 C
|
+ 55 C
|
30 mm
|
|
|
|
Neodymium Iron Boron (NdFeB)
|
Polyethylene Terephthalate (PET)
|
|
|
|
|
Speakers & Transducers Speakers
- CDM-12008
- Same Sky
-
1:
2,33 €
-
1 100Expected 04/12/2026
|
Mouser Part No
490-CDM-12008
|
Same Sky
|
Speakers & Transducers Speakers
|
|
1 100Expected 04/12/2026
|
|
|
2,33 €
|
|
|
1,78 €
|
|
|
1,58 €
|
|
|
1,49 €
|
|
|
View
|
|
|
1,32 €
|
|
|
1,21 €
|
|
|
1,13 €
|
|
|
1,04 €
|
|
|
1,02 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Electromagnetic
|
Board Mount
|
1 kHz
|
90 dBA
|
8 Ohms
|
500 mW
|
Round
|
Solder Pad
|
- 25 C
|
+ 55 C
|
12 mm
|
|
|
3 mm
|
Neodymium Iron Boron (NdFeB)
|
Mylar
|
|
|
|
|
Speakers & Transducers 23 mm, Round Frame, 1 W, 8 Ohm, Neodymium Magnet, PEI Cone, Wire Leads with Connector, Speaker
- CMS-23558N-L152B
- Same Sky
-
1:
4,41 €
-
338Expected 21/08/2026
|
Mouser Part No
490-CMS-23558N-L152B
|
Same Sky
|
Speakers & Transducers 23 mm, Round Frame, 1 W, 8 Ohm, Neodymium Magnet, PEI Cone, Wire Leads with Connector, Speaker
|
|
338Expected 21/08/2026
|
|
|
4,41 €
|
|
|
3,38 €
|
|
|
3,05 €
|
|
|
2,83 €
|
|
|
View
|
|
|
2,62 €
|
|
|
2,34 €
|
|
|
2,15 €
|
|
|
2,11 €
|
|
Min.: 1
Mult.: 1
|
|
|
Speakers
|
Micro
|
Frame Mount
|
550 Hz
|
94 dBA
|
8 Ohms
|
1 W
|
Round
|
Wire Leads
|
- 20 C
|
+ 55 C
|
23 mm
|
|
|
5.5 mm
|
Neodymium Iron Boron (NdFeB)
|
Polyetherimide (PEI)
|
|
|