<2R*,3S*,4Z>-2-hydroxy-3-methyl-4-hexenoic acid

(3aR,5S,6S,6aR)-5-((E)-(S)-3-Bromo-1-methyl-but-2-enyl)-2,2,6-trimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

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