SEARCH Articles Figures Tables 1.5.6.7- Tetrahydro-3//-pyrido 3.1] benzothiazin-3-ones 1.6.7.8- Tetrahydro-4//-pyrido pyrimidin-4-ones, reduction 2- Amino-4//-pyrido pyrimidin-4-ones 2- Amino-4//-pyrido pyrimidin-4-ones Mannich reactions 2- Aryl-4/7-pyrido pyrimidin-4-ones 2- Methyl-2,3,5,6- tetrahydro-77/pyrido -1,4-benzoxazin-3-ones 2- Methyl-8-nitro-9-hydroxy-4//pyrido pyrimidin-4-ones 2-Amino-3-nitroso-4//-pyrido pyrimidin-4-ones, reduction 2//-Pyrido pyrimidin-2-ones, spectra 2//-Pyrido pyrimidine-2-ones 3- Amino-2-hydroxy-47/-pyrido pyrimidin-4-ones 3- Chloro-2-hydroxy-4//-pyrido pyrimidin-4-one 3- Phenyl-2-hydroxy-4//-pyrido pyrimidin-4-one 3-Formyl-4//-pyrido pyrimidin-4-ones 4- Amino-3-mtroso-4//-pyrido pyrimidin-2-one 4//-Pyrido pyrimidin-4-ones Vilsmeier-Haack formylation 4//-Pyrido pyrimidin-4-ones chromatography 4//-Pyrido pyrimidin-4-ones reduction 4//-Pyrido pyrimidin-4-ones values 6-Methyl-4//-pyrido pyrimidin-4-ones nitration 8//-Pyrido quinoxalin-8-ones 9-Amino-6,7-dihydro-4//-pyrido pyrimidin-4-ones Pyrido acridin-8-ones Pyrido benzothiazin-4-ones Pyrido benzoxazin-3-ones Pyrido oxazin-2-ones Pyrido pyrazin-3 -ones, tautomerism Pyrido pyridazin-3 -ones Pyrido pyriinidin-7-ones Pyrido pyrimidin-9-ones, 7-nitro Pyrido quinazolin-6-ones