35615-72-6

probon 3-(ethoxycarbonyl)-6,7,8,9-tetrahydro-1,6-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidinium ethyl 1,6-dimethyl-4-oxo-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-1-ium-3-carboxylate 3-(Ethoxycarbonyl)-6,7,8,9-tetrahydro-1,6-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-1-ium