C.I. Direct Red 79; C.I. Direct Red 79, tetrasodium salt; Chlorantine Fast Red 6BLLtetrasodium 4-hydroxy-5-[(E)-{4-[({4-[(E)-(8-hydroxy-3,6-disulfonatonaphthalen-1-yl)diazenyl]-2-methoxy-5-methylphenyl}carbamoyl)amino]-5-methoxy-2-methylphenyl}diazenyl]naphthalene-2,7-disulfonate