英文名称
2-[[4-(Diethylamino)-2-[[4-[5-(diethylamino)-2-[(5,5-dimethyl-7-oxo-3-sulfo-4,6-dihydro-1-benzothiophen-2-yl)diazenyl]anilino]-6-(2-hydroxyethylsulfanyl)-1,3,5-triazin-2-yl]amino]phenyl]diazenyl]-5,5-dimethyl-7-oxo-4,6-dihydro-1-benzothiophene-3-sulfonic acid