ethyl 2-diazo-3-(5-ethenyl-2,2-dimethyl-1,3-dioxolan-4-yl)-3-oxopropanoate

(4S,5R)-4((Z)-2-Iodovinyl)-2,2-dimethyl-5-vinyl-1,3-dioxolane

ethyl (2E,4S,5R)-4,5-(O-isopropylidene)-4,5-dihydroxynonadec-2-enoate

(2E,4S,5R)-4,5-(O-isopropylidene)nonadec-2-ene-1,4,5-triol

(3E,5S,6R)-5,6-(O-isopropylidene)-5,6-dihydroxyicos-3-en-2-one