3-甲基-5-(2,2,3-三甲基-3-环戊烯-1-基)戊-4-烯-2-酮

6-(2,2,3-三甲基环戊-3-烯-1-基)己-5-烯-3-酮

6-(2,2,3-三甲基环戊-3-烯-1-基)己-4-烯-3-酮

5-hydroxy-6-(2,2,3-trimethyl-3-cyclopenten-1-yl)hexan-3-one

4-hydroxy-3-methyl-5-(2,2,3-trimethyl-3-cyclopenten-1-yl)pentan-2-one