4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt
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4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt;C.I.26310;C.I.Acid Black 27
49040 7281-31-4
BBCPD 58 72801-63-9
amrumycin 72779-40-9