| 英文同义词: | p-[4,5-dihydro-3-methyl-5-oxo-4-(phenylazo)-1H-pyrazol-1-yl]benzenesulphonic acid;4-[[4,5-Dihydro-3-methyl-5-oxo-4-(phenylazo)-1H-pyrazol]-1-yl]benzenesulfonic acid;Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-5-oxo-4-(2-phenyldiazenyl)-1H-pyrazol-1-yl]- |