| 序号 | 中文名称 | 英文名称 |
|---|---|---|
| 321 | 苯并[a]蒽 | Benz[a]anthracene (CAS No. 56-55-3) |
| 322 | 苯并[e]荧蒽 | Benz[e]acephenanthrylene (CAS No. 205-99-2) |
| 323 | 苯扎托品及其盐类 | Benzatropine (INN) (CAS No. 86-13-5)and its salts |
| 324 | 苯并吖庚因及苯并二吖庚因 | Benzazepines and benzodiazepines (CAS No. 12794-10-4) |
| 325 | 苯胺, 3-((4-((二氨基(苯偶氮基)苯基)偶氮)-1-萘基)偶氮)-N,N,N-三甲基- 及其盐类 | Benzenaminium, 3-((4-((diamino(phenylazo)phenyl)azo)-1-naphthalenyl)azo)-N,N,N-trimethyl- (CAS No. 83803-98-9) and its salts |
| 326 | 苯胺, 3-((4-((二氨基(苯偶氮基)苯基)偶氮)-2-甲苯基)偶氮)-N,N,N-三甲基- 及其盐类 | Benzenaminium, 3-((4-((diamino(phenylazo)phenyl)azo)-2-methylphenyl)azo)-N,N,N-trimethyl- (CAS No. 83803-99-0)and its salts |
| 327 | 苯 | Benzene (CAS No. 71-43-2) |
| 328 | 苯磺酸, 5-((2,4-二硝基苯基)氨基)-2-(苯胺基)-及其盐类 | Benzenesulfonic acid, 5-((2,4-dinitrophenyl)amino)-2-(phenylamino)- and its salts (CAS No. 6373-74-6 / CAS No. 15347-52-1) |