英文别名tert-Butyl 2-chloro-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine-6-carboxylate; tert-Butyl 2-chloro-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-carboxylate; 2-Chloro-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylic acid tert-butyl ester; tert-Butyl 2-chloro-5H,7H,8H-pyrido[4,3-d]pyrimidine-6-carboxylate; Pyrido[4,3-d]pyrimidine-6(5H)-carboxylic acid, 2-chloro-7,8-dihydro-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 2-chloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate; tert-butyl 2-chloro-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylate 
