937599-68-3

1-ethyl-5,7-dimethyl-2-thioxo-4-pyrido[3,2-e]pyrimidinone 1-ethyl-5,7-dimethyl-2-thioxo-pyrido[3,2-e]pyrimidin-4-one pyrido[2,3-d]pyrimidin-4(1H)-one, 1-ethyl-2-mercapto-5,7-d 1-ethyl-2-mercapto-5,7-dimethylpyrido[2,3-d]pyrimidin-4(1H)-one 1-ethyl-5,7-dimethyl-2-sulfanylidenepyrido[3,2-e]pyrimidin-4-one 1-ethyl-5,7-dimethyl-2-sulfanylidene-pyrido[3,2-e]pyrimidin-4-one 1-Ethyl-5,7-dimethyl-2-thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one