82588-08-7
9-(4-biphenyl-hydrazono)-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido(1,2-a)pyrimidine-3-carboxylic acid
82602-29-7
9-[(3-Ethoxy-phenyl)-hydrazono]-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid
82587-91-5
9-[(2-Iodo-phenyl)-hydrazono]-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid
82588-09-8
9-[(3-Ethoxycarbonyl-phenyl)-hydrazono]-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid
82602-30-0
9-[(4-Cyclopropyl-phenyl)-hydrazono]-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid