71487-04-2 Acetic acid, hydroxy-, compd. with 4-((2-hydroxy-1-naphthalenyl)azo)-N-(4-((2-hydroxy-1-naphthalenyl)azo)phenyl)benzamide tetrakis(aminomethyl) deriv. methanesulfonate (salt) EINECS 275-533-7 Hydroxyacetic acid, compound with 4-((2-hydroxy-1-naphthyl)azo)-N-(4-((2-hydroxy-1-naphthyl)azo)phenyl)benzamide, tetrakis(aminomethyl) derivative, methanesulphonate