C.I.Direct Orange 51

C.I.Direct Orange 107

C.I.Direct Orange 105

C.I. Solvent Orange 51

disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-4-(4-nitro-2-sulphophenylamino)phenylazo)naphthalene-2-sulphonate

1,3-Naphthalenedisulfonicacid,7-[2-[4-[[4-[2-[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]benzoyl]amino]-2-methylphenyl]diazenyl]-,sodium salt (1:3)

C.I.Direct Black 51