3, 5-Pyridinedicarboxamide, 1, 4-dihydro-4-(2-nitrophenyl)-N, N', 2, 6-tetramethyl-

3, 5-Pyridinedicarboxamide, 1, 4-dihydro-4-(3-nitrophenyl)-N, N', 2, 6-tetramethyl-

3, 5-Pyridinedicarboxamide, 1, 4-dihydro-N, N', 2, 6-tetramethyl-4-(3, 4, 5-trimethoxyphenyl)-

3, 5-Pyridinedicarboxylic acid, 1 4-dihydro-2, 4, 6-trimethyl-, ethyl 2-morpholinoethyl ester, hydrochloride

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 4, 6-trimethyl-, bis(2-(1-pyrrolidinyl)ethyl)ester, dihydrochloride

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 4, 6-trimethyl-, bis(2-(alpha- methylphenethylamino)ethyl) ester, dihydrochloride

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 4, 6-trimethyl-, ethyl 2-(1-pyrrolidinyl)ethyl ester, hydrochloride

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 4, 6-trimethyl-, ethyl 2-(alpha-methylphenethylamino)ethyl ester, hydrochloride

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-bis(hydroxymethyl)-4-(3-nitrophenyl)-, ethyl 2-propoxyethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-1-(ethoxyphenyl)-4-(2-nitrophenyl)-, diethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-1-(ethoxyphenyl)-4-(3-nitrophenyl)-, diethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2, 3, 4-trimethoxyphenyl)-, ethyl 2-propenyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(2-furanyl)ethenyl)-, diethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(2-furanyl)ethenyl)-, dimethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(2-nitrophenyl)ethenyl)-, dimethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(5-nitro-2-furanyl)ethenyl)-, diethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(5-nitro-2-furanyl)ethenyl)-, dimethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(trifluoromethyl)phenyl)-, 3-(2-propynyl)-5-ethyl ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(trifluoromethyl)phenyl)-, 3-ethyl 5-(2-propynyl) ester

3, 5-Pyridinedicarboxylic acid, 1, 4-dihydro-2, 6-dimethyl-4-(2-(trifluoromethyl)phenyl)-, 3-methyl 5-(2-propynyl) ester