1,3-Dimethyl-4-ethenylbenzene 1,3-Dimethyl-4-vinylbenzene 1-Vinyl-2,4-dimethylbenzene 2,4-DIMETHYLSTYRENE 2234-20-0 4-05-00-01386 (Beilstein Handbook Reference) 4-Vinyl-m-xylene BRN 2037627 Benzene, 1-ethenyl-2,4-dimethyl- (9CI) EINECS 218-781-3 NSC 62089 Styrene, 2,4-dimethyl-