diantipyryldimethyl-p-aminophenyl methane 在
硫酸 作用下,
生成 4-[(4-Dimethylamino-phenyl)-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-methyl]-3-hydroxy-1,5-dimethyl-2-phenyl-2H-pyrazol-1-ium 、 4-[[4-(dimethylamino)phenyl]-(3-hydroxy-1,5-dimethyl-2-phenylpyrazol-1-ium-4-yl)methyl]-1,5-dimethyl-2-phenylpyrazol-1-ium-3-ol