2,4-Dihydro-5-methyl-2-phenyl-4-((3-phenyl-1,2,4-thiadiazol-5-yl)azo)-3H-pyrazol-3-one 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-4-((3-phenyl-1,2,4-thiadiazol-5-yl)azo)- 4-((3-Phenyl-1,2,4-thiadiazol-5-yl)azo)-3-methyl-1-phenyl-4,5-dihydro-5-oxo-1H-pyrazole 4709-94-8 EINECS 225-197-2