CI 24100 DIRECT RED 7 C.I.Direct Red 7 BENZOPURPURIN 10B Direct Boardeux-BW Benzopurpurine 10BS Benzo Purpurine 10B Direct red 7 (C.I. 24100) C.I.Direct Red 7:C.I.24100 disodium 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate)
