5,5'-(Ureylenebis((p-phenylene)azo)bis(3-methylsalicylic) acid, disodium salt 5,5'-(Ureylenebis(p-phenyleneazo))di-2,3-cresotic acid, disodium salt 66256-74-4 Benzoic acid, 3,3'-(carbonylbis(imino-4,1-phenyleneazo))bis(6-hydroxy-5-methyl-, disodium salt Disodium 3,3'-(carbonylbis(imino-p-phenyleneazo))bis(6-hydroxy-5-methylbenzoate) EINECS 266-281-9