4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 1, 6, 7, 8, 9, 9a-hexahydro-6-methyl-4-oxo-, ethyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 1, 6, 7, 8, 9, 9a-hexahydro-6-methyl-4-oxo-1-propionyl-, ethyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 4-oxo-9-((3-thiazolidinylcarbonyl)thio)-, ethyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6, 7, 8, 9-tetrahydro-6-methyl-4-oxo-

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6, 7, 8, 9-tetrahydro-6-methyl-4-oxo-, butyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6, 7, 8, 9-tetrahydro-6-methyl-4-oxo-, ethyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6, 7, 8, 9-tetrahydro-6-methyl-4-oxo-, hydroxyamino ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6, 7, 8, 9-tetrahydro-6-methyl-4-oxo-, metyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6-methyl-4-oxo-

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6-methyl-4-oxo-, ethyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 6-methyl-4-oxo-, methyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 7-methyl-4-oxo-, ethyl ester

4H-Pyrido(1, 2-a)pyrimidine-3-propanoic acid, 9-((4-acetyl-3-hydroxy-2-propylphenoxy)methyl)-4-oxo-

4H-Pyrido(1, 2-a)pyrimidinium, 6, 7, 8, 9-tetrahydro-3-(ethoxycarbonyl)-1-ethyl-6-methyl-4-oxo-

4H-Pyrido(1, 2-a)pyrimidinium, 6, 7, 8, 9-tetrahydro-3-carbamoyl-1, 6-dimethyl-4-oxo-, methyl sulfate

4H-Pyrido(1, 2-a)pyrimidinium, 6, 7, 8, 9-tetrahydro-3-carboxy-1, 6-dimethyl-4-oxo-, methyl sulfate

4H-Pyrido(1, 2-a)pyrimidinium, 6, 7, 8, 9-tetrahydro-3-carboxy-1, 6-dimethyl-4-oxo-, methyl sulfate, butyl ester

4H-Pyrido(1, 2-a)pyrimidinium, 6, 7, 8, 9-tetrahydro-3-carboxy-1, 6-dimethyl-4-oxo-, methyl sulfate, propyl ester

4H-Pyrido(1, 2-a)pyrimidinone, 6, 7, 8, 9-tetrahydro-2-(hexahydro-1H-azepin-1-yl)-3-((2-oxazolidinon-3-yl)iminomethyl)-

4H-Pyrido(2, 1-a)phthalazine-1-carboxamide, 10-chloro-N, N-diethyl-4-oxo-3-phenyl-