Synonyms:
pyrazolic acid 3 ; phenylmethylpyrazole-3-acid ; 1-(m-sulfophenyl)-3-methyl-5-pyrazolone ; 1-(3-sulfophenyl)-3-methyl-5-pyrazolone ; 3-pyrazolic acid ; 1-(3'-sulfophenyl)-3-methyl-5-pyrazolone ; m-smp (1 : 3 pmp)
; methylphenylpyrazolone-3-sulfonic acid ; 1-(3-sulphophenyl)-3-methyl-5-pyrazolone ; 3-methyl-1-(3'-sulfophenyl)-5-pyrazolone