4-乙烯基-1,2-二甲基-苯

5,6-二甲基-3a,4,7,7a-四氢-2-苯并呋喃-1,3-二酮

3',4'-Dimethyl-phenacyloxyessigsaeure, 3-Oxa-5-oxo-5-<3,4-dimethylphenyl>-pentansaeure

4-乙基邻二甲苯