Benzoic acid, 2-amino-4,5-bis(2-methoxyethoxy)-, ethyl ester, hydrochloride

4-chloro-6,7-bis(2-methoxyethoxy)quinazoline

Pharmaceutical intermediate for erlotinib synthesis

4-Chloro-6,7-bis-(2-chloroethoxy)quinazoline

医药中间体

Bdh succinate

医药中间体

4,6-diamino-2-chloropyrimidine-5-carbonitrile

医药中间体