5-(Acetylamino)-2-[[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol]-4-yl]azo]benzenesulfonic acid C??? ??, ??, ??

5-(Acetylamino)-2-[[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol]-4-yl]azo]benzenesulfonic acid ?? ?? ? ???

???

?? ??

5-(Acetylamino)-2-[[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol]-4-yl]azo]benzenesulfonic acid ?? ??