上游原料
2-Nitrobenzaldehyde4-methoxybenzenesulfonyl chloride4-Pyridinecarboxaldehyde; isonicotinaldehyde4-methylpyridine9-amino-3-ethyl-3,7-dihydro-6H-pyrazolo[4',3':5,6]pyrido[3,4-d]pyridazin-6-one(2-nitrobenzyl)(triphenyl)phosphonium bromide4-[(E)-2-(2-nitrophenyl)ethenyl]pyridine2-[(E)-2-(4-pyridinyl)ethenyl]aniline; 2-[(E)-2-(4-pyridinyl)ethenyl]phenylamine4-methoxy-N-{2-[(E)-2-(4-pyridinyl)ethenyl]phenyl}benzenesulfonamide4-[(E)-2-(2-{[(4-methoxyphenyl)sulfonyl]amino}phenyl)ethenyl]-1-pyridiniumolate