4-hydroxy-pyrido[3,2-d]pyrimidine-8-carboxamide 、
4-((S)-1-Amino-2-azetidin-1-yl-ethyl)-2-chloro-benzonitrile hydrochloride 在
4-[(S)-2-azetidin-1-yl-1-(3-chloro-4-cyano-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide 作用下,
生成 4-[(S)-2-azetidin-1-yl-1-(3-chloro-4-cyano-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide