2-Phenyl-aethensulfonsaeure, styrene sulfonyl chloride, 2-Phenyl-aethensulfonylchlorid, Ethenesulfonic acid,2-phenyl, 2-phenyl-ethenesulfonic acid, 2-phenyl-ethenesulfonyl chloride, (E)-2-Phenylethenesulfonyl chloride, styrylsulfonic acid, 2-phenylethensulfonyl chloride, styrylsulfonyl chloride