甲醇

六甲基苯

6-methoxy-5-methylene-1,2,3,4,6-pentamethylbicyclo(2.2.0)hex-2-ene

5-methoxy-1,2,3,4,5-pentamethyl-6-methylenecyclohexa-1,3-diene

五甲基苄氯