[2,6′-Bibenzothiazole]-7-sulfonic acid, 2′-[4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]phenyl]-6-methyl-, disodium salt [2,6′-Bibenzothiazole]-7-sulfonic acid, 2′-[4-[2-(2-hydroxy-6-sulfo-1-naphthalenyl)diazenyl]phenyl]-6-methyl-, sodium salt (1:2) C.I. 16081 C.I. Direct Red 70 C.I. Direct Red 70, disodium salt Direct Fast Pink G Direct Red 70 Thiazine Red G