英文名称:trisodium 3-[[4-[[4-[(4-aminophenyl)azo]-6-sulphonatonaphthyl]azo]-6-sulphonatonaphthyl]azo]-4-hydroxynaphthalene-1-sulphonate; C.I. 34085; C.I. Direct Blue 120 (VAN); C.I. Direct Blue 120, trisodium salt (8CI); trisodium 8-[(E)-(4-aminophenyl)diazenyl]-5-[(E)-{4-[(2E)-2-(1-oxo-4-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-7-sulfonatonaphthalen-1-yl}diazenyl]naphthalene-2-sulfo