1-甲氧基-1,3,5-环庚三烯

4-acetoxytropone

4-甲氧基-2,4,6-环庚三烯-1-酮

2-氯-5-羟基-2,4,6-环庚三烯-1-酮

2,5-dichlorocyclohepta-2,4,6-trien-1-one