6-(4-(N'-(4-hydroxy-3-methoxy-2-nitrobenzylidene)hydrazino)phenyl)-5-methyl-4,5-dihydro-2H-pyridazin-3-one
6-(4-(n'-(4-hydroxy-3-methoxy-2-nitrobenzylidene)hydrazino)phenyl)-5-methyl-4,5-dihydro-2h-pyridazin-3-one