2-methyl-2-(3-bromo-2propyl)-1,3-dioxolane

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

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

<3R*,4R*,5S*(1S*)>-3-hydroxy-4-methyl-5-(1-iodoethyl)dihydro-2-(3H)-furanone

(2R*,3R*,4R*,5S*)-methyl 4,5-epoxy-2-hydroxy-3-methylhexanoate