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