rat liver microsomal cytochrome p-450 oxidizes the 4-methyl , 4-ethyl ( ddep ) , and 4-isopropyl derivatives of 3,5-bis ( carbethoxy ) -2,6-dimethyl-1,4-dihydropyridine to mixtures of the corresponding 4-alkyl and 4-dealkyl pyridines .
C0012315
dihydropyridine
C0034255
pyridines