c.i. 12740

solvent yellow 18

C.I.Food Yellow 12

2-Phenyl-4-(2,4-dimethylphenylazo)-5-methyl-2H-pyrazole-3(4H)-one

4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one