2-Naphthalenesulfonic acid,7,7'-[[(1,2-dibromoethyl)phosphinylidene]bis(methylimino)]bis[4-hydroxy-3-[(4-methoxy-2-sulfophenyl)azo]-, tetrasodium salt

CAS No: 94516-61-7

naphthalenesulfonic,dibromoethyl,phosphinylidene,methylimino,hydroxy,methoxy,sulfophenyl,tetrasodium