344958-26-5

tert-butyl2-(methylthio)-4-oxo-3,4,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate tert-Butyl 2-(methylthio)-4-oxo-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidine-6(4H)-carboxylate 4-Hydroxy-2-methylsulfanyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylic acid tert-butyl ester Pyrido[4,3-d]pyrimidine-6(4H)-carboxylic acid, 3,5,7,8-tetrahydro-2-(methylthio)-4-oxo-, 1,1-dimethylethyl ester