2,5,5-trimethylhepta-1,6-dien-4-one

1,1-二甲基环己烷

2,2-二甲基-3-羟基丙酸

4,4-dimethyl-cyclohepta-2,5-dienecarboxylic acid

3,3,7,7,10,10-hexamethyl-[1,5]dioxecane-2,4,6,8,10-pentaone