{2-Cyano-2-[3-cyano-6-cyclopropyl-6-hydroxy-5-(2-methyl-1-pyridiniumyl)-4-(4-nitrophenyl)-1,4,5,6-tetrahydro-2-pyridinyl]ethenylidene}azanide

Pyridinium, 1-[5-cyano-6-(1-cyano-2-iminoethenyl)-2-cyclopropyl-1,2,3,4-tetrahydro-2-hydroxy-4-(4-nitrophenyl)-3-pyridinyl]-2-methyl-, inner salt

{2-Cyan-2-[3-cyan-6-cyclopropyl-6-hydroxy-5-(2-methyl-1-pyridiniumyl)-4-(4-nitrophenyl)-1,4,5,6-tetrahydro-2-pyridinyl]ethenyliden}azanid

{2-Cyano-2-[3-cyano-6-cyclopropyl-6-hydroxy-5-(2-methyl-1-pyridiniumyl)-4-(4-nitrophenyl)-1,4,5,6-tetrahydro-2-pyridinyl]ethenylidene}azanide

{2-Cyano-2-[3-cyano-6-cyclopropyl-6-hydroxy-5-(2-méthyl-1-pyridiniumyl)-4-(4-nitrophényl)-1,4,5,6-tétrahydro-2-pyridinyl]éthénylidène}azanide

2-(dicyanomethyl)-6-cyclopropyl-6-hydroxy-5-(2-methylpyridyl)-4-(4-nitrophenyl)-1,4,5,6-tetrahydropyridine-3-carbonitrile

dicyano[3-cyano-6-cyclopropyl-6-hydroxy-5-(2-methylpyridinium-1-yl)-4-(4-nitrophenyl)-1,4,5,6-tetrahydropyridin-2-yl]methanide