6528-38-7 Benzoic acid, 5-[[4'-[(2-amino-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt C.I. 22165 Erie Red FD NSC82394 Salicylic acid, 5-[[4'-[(2-amino-6-sulfo-1-naphthyl)azo]-4-biphenylyl]azo]-, disodium salt