2,4-Dihydro-5-methyl-4-(4-methylsulfonyl-2-nitrophenylazo)-2-phenyl-3H-pyrazol-3-imine

2,4-dihydro-5-methyl-4-[[4-(methylsulphonyl)-2-nitrophenyl]azo]-2-phenyl-3H-pyrazol-3-imine