SURFYNOL 504

NCT-504

IPI-504

CR 504

KZR-504

iriodin 504

2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, compds. with N,N'-bis(mixed Ph and tolyl and xylyl)guanidine monohydrochloride