1-Ethenyl-3,5-dimethylbenzene 3,5-DIMETHYLSTYRENE 4-05-00-01386 (Beilstein Handbook Reference) 5379-20-4 BRN 2203339 Benzene, 1-ethenyl-3,5-dimethyl- (9CI) Styrene, 3,5-dimethyl-