disodium 3,3'-[[6-[bis(2-hydroxyethyl)amino]-1,3,5-triazine-2,4-diyl]bis[imino(3-methoxy-4,1-phenylene)azo]]bis[benzenesulphonate] Benzenesulfonic acid, 3,3-6-bis(2-hydroxyethyl)amino-1,3,5-triazine-2,4-diylbisimino(3-methoxy-4,1-phenylene)azobis-, disodium salt benzenesulfonic acid, 3,3'-[[6-[bis(2-hydroxyethyl)amino]-1,3,5-triazine-2,4-di Kayarus yellow PG 3,3'-[[6-[Bis(2-hydroxyethyl)amino]-1,3,5-triazine-2,4-diyl]bis[imino(3-methoxy-4,1-phenylene)azo]]bis(benzenesulfonic acid)disodium salt Direct Fast Yellow PG, Direct Yellow 142