7-butyl-3-methoxycyclohepta-1,3,5-triene

1-甲氧基-1,3,5-环庚三烯

7-ethoxycyclohepta-1,3,5-triene

三羰基三甲苯铬

2-prop-2-enylcyclohepta-2,4,6-trien-1-one