66085-69-6

4,4-[(phenylmethylene)bis[(2-methyl-p-phenylene)azo]]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]

4,4-[(苯基亚甲基)二[(2-甲基-4,1-亚苯基)偶氮]]二[2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮