日本欧美国产免费专区一本,最新午夜视频精品视在线播放,久久一本大到香蕉精品,亚洲免费性生活视频网

　　Chinese name: nicotinamide

　　Chinese alias: nicotinic amide; Vitamin B3. Vitamin PP; Nicotinamide. VB3; VPP. 3 - pyridine formamide

　　English name: Nicotinamide

　　English alias: Pyridine - 3 - carboxamide; [1] niacinamide cell culture *; Nicotinamide (1.06818); Niacinamide. Vitamin PP; VPP. Pyridine - 3 - Carboxyamide; 3 - Pyridinecarboxyamide; Vitamin B3. Nicotinic acid amide

　　CAS: 98-92-0

　　EINECS: 202-713-4

　　Molecular formula: C₆H₆N₂O

　　Molecular weight: 122.13

　　Character

　　This product is a white crystalls or crystal powder, odourless or almost odourless, taste bitter.