<3R*-<3α,4β,5α(1S*)>>-3-hydroxy-4-methyl-5-(1-methyl-2-butynyl)-dihydrofuran-2(3H)-one

<3R*-<3α(1RS),4β,5α(1S*)>>-3-(1-ethoxyethoxy)-4-methyl-5-(1-methylbut-2-ynyl)dihydrofuran-2(3H)-one

<5R*-<1S*,2R*,3S*>>-2,2-bis(trifluoromethyl)-5-(2,3-epoxy-1-methylbutyl)-1,3-dioxolan-4-one

<3RS,6R*-(1RS)-7S*,8S*,9S*>-8-acetoxy-6-(1-ethoxyethoxy)-2,2-(ethylenedioxy)-3,7,9-trimethyldodec-10-yn-5-one