英文名称:Direct Brown 79; C.I. Direct Brown 79; C.I. Direct Brown 79, trisodium salt; CCRIS 2415; trisodium (3E)-3-({4'-[(E)-{2,4-diamino-5-[(E)-(2,4-disulfonatophenyl)diazenyl]phenyl}diazenyl]biphenyl-4-yl}hydrazono)-6-oxocyclohexa-1,4-diene-1-carboxylate