英文名称
4-[[2,4-Dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-6-[[4-[[2-sulfo-4-[2-(trioxidanylsulfanyloxy)ethylsulfonyl]phenyl]diazenyl]-7-(trioxidanylsulfanyl)naphthalen-1-yl]diazenyl]-7-(trioxidanylsulfanyl)naphthalene-2-sulfonic acid;iron