1H-Pyrazole-1-ethanol, alpha,5-diphenyl-3-methyl-4-((2-nitrophenyl)azo)- 30823-82-6 5-25-18-00146 (Beilstein Handbook Reference) BRN 4034414 alpha,5-Diphenyl-3-methyl-4-((2-nitrophenyl)azo)-1H-pyrazole-1-ethanol