英文别名tert-butyl 4-chloro-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-d]pyrimidine-7-carboxylate; 4-chloro-5,8-dihydro-6H-pyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7-carboxylic acid tert-butyl ester; tert-butyl 4-chloro-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7-carboxylate; 4-Chloro-5,8-dihydro-6H-9-thia-1,3,7-triaza-fluorene-7-carboxylic acid tert-butyl ester; tert-butyl 4-chloro-5,8-dihydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate 
