欧美老妇高潮喷水20_97无码视频在线看视频_国产色婷婷五月精品综合在线_日本aⅴ在线观免费观看
ABOUT US
About us
View
PRODUCTS
Pyrazine
Thiazole
Furan
Pyrrole
Thiophene
Pyridine
Sulfur
Aldehydes and ketones
Synthetic fragrance
Pharmaceutical intermediates
VIEW
NEWS CENTER
CONTACT US
Contact us
Order
CHINESE
1-Ethyl-2-acetyl pyrrole
Product Code: D003
Aroma : Roasted nuts, almonds, roasted coffee aroma
Applicable Scope: Fruits, coffee, tobacco, etc.
Suggested Dosage (PPm): 5-20
FEMA: 3147
National Standard Code: S0770
CAS Number: 39741-41-8
Previous product:
1-Methyl-2-acetyl pyrrole
Next product:
4,5-Dihydro-3-(2H)-thiophenone(Tetrahydrothiophen-3-One)
?