英文名称:1,5-Naphthalenedisulfonicacid,3-[2-[4-[2-[4-[2-[8-[2-(2,4-diamino-5-nitrophenyl)diazenyl]-1-hydroxy-5-sulfo-2-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-,sodium salt (1:4); 1,5-Naphthalenedisulfonicacid,3-[[4-[[4-[[8-[(2,4-diamino-5-nitrophenyl)azo]-1-hydroxy-5-sulfo-2-naphthalenyl]azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-,tetrasodium salt (9CI); C.I. Direct Black 76, tetrasodium salt (8CI); C.I.35865; Sirius