4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-3-yn-2-ol

2,6,6-三甲基-2-环己烯-1-醇

1-(2-Hydroxyethyl)-2,6,6-trimethyl-2-cyclohexen-1-ol

1,5,5-trimethyl-6-methylidenecyclohexene