127666-07-3
4,5-Dideoxy-2,3-O-isopropylidene-L-erythro-pent-4-enoic acid
→
793695-59-7
ethyl (1S,2R,3S,4S,5S)-2,3-O-isopropylidene-4-hydroxybicyclo[3.1.0]hexane-1-carboxylate