英文名称:Benzenesulfonic acid,4-[4-[2-[2,5-dimethoxy-4-[(2-sulfoethyl)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-,sodium salt (1:2); Benzenesulfonicacid,4-[4-[[2,5-dimethoxy-4-[(2-sulfoethyl)sulfonyl]phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-,disodium salt (9CI); Reactive Golden Yellow K-MG