4-aminotetrahydropyran hydrochloride

4-Boc-6,6-dimethyl-morpholine-3-carboxylic acid

4-Bromo-1,1,1,3,3-pentafluorobutane

4-bromo-2,1,3-benzothiadiazole

4-Bromo-3-hydroxypyridine

4-Bromo-6-chloro-2-methylquinoline

4-butoxy-2-methylaniline

4-Chloro-2,6-difluorobenzylamine

4-Chloro-5-(3,4-dimethylphenyl)thieno[2,3-d]pyrimidine

4-Chloro-6-ethyl-2-methylthieno[2,3-d]pyrimidine

4-Chloro-8-methylquinazoline

4-cyano-2-(trifluoromethyl)acetanilide

4-Cyanobenzylamine

4-氰基苄胺

4-Cyclopropyl-4H-1,2,4-triazole-3-thiol

4-ethyl-5-mercapto-4H-1,2,4-triazol-3-ol