Einecs 282-897-0

1-Phenyl-3-methyl-4-(benzothiazole-2-ylazo)-1H-pyrazole-5(4H)-one

4-(2-benzothiazolylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-Pyrazol-3-one

3H-Pyrazol-3-one,4-(2-benzothiazolylazo)-2,4-dihydro-5-methyl-2-phenyl-

4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one