Synonyms: Acetic acid, 2-hydroxy-, compd. with 4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-N-(4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)phenyl)benzamide tetrakis(aminomethyl) deriv. methanesulfonate (1:?:?);Tetrakis(aminomethyl)(4-((2-hydroxy-1-naphthalenyl)azo)-N-(4-((2-hydroxy-1-naphthalenyl)azo)phenyl)benzamide, hydroxyacetate methanesulfonate;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);Hydroxyacetic acid, compound with 4-((2-hydroxy-1-naphthyl)azo)-N-(4-((2-hydroxy-1-naphthyl)azo)phenyl)benzamide, tetrakis(aminomethyl) derivative, methanesulphonate