3-甲基-5-(2,6,6-三甲基-1-环己烯-1-基)-2,4-戊二烯醛

2-ethynyl-1,3,3-trimethylcyclohexene

2-(2,6,6-trimethylcyclohexen-1-yl)-1,3-dioxolane

2-(2,6,6-trimethylcyclohex-2-en-1-yl)-1,3-dioxolane