457910-74-6

AURORA 21312 ethyl 3-isobutyl-5-methyl-4-oxo-thieno[5,4-d]pyrimidine-6-carboxylate ethyl 5-methyl-3-(2-methylpropyl)-4-oxothieno[5,4-d]pyrimidine-6-carboxylate ethyl 5-methyl-3-(2-methylpropyl)-4-oxo-thieno[5,4-d]pyrimidine-6-carboxylate 3-isobutyl-5-methyl-4-oxo-6-thieno[5,4-d]pyrimidinecarboxylic acid ethyl ester 3-isobutyl-4-keto-5-methyl-thieno[5,4-d]pyrimidine-6-carboxylic acid ethyl ester ethyl 3-isobutyl-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate Thieno[2,3-d]pyrimidine-6-carboxylic acid, 3,4-dihydro-5-methyl-3-(2-methylpropyl)-4-oxo-, ethyl ester