1,3-DIMETHYL-4-ETHYLBENZENE 1-Ethyl-2,4-dimethylbenzene 4-Ethyl-m-xylene 874-41-9 Benzene, 1-ethyl-2,4-dimethyl- EINECS 212-860-6 NSC 74184 m-Xylene, 4-ethyl- (8CI)