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