ethyl (S)-cis-4,5-O-isopropyl.-4,5-di-hydroxy-2-pentenoate

Ethyl (S)-cis-3-(2,2-dimethyl-1,3-dioxolan-4-yl)propenoate

ETHYL (S)-(+)-3-(2,2-DIMETHYL-1,3-DIOXOLAN-4-YL)-CIS-ACRYLATE

(Z)-ETHYL-4,5-O-ISOPROPYLIDENE-(S)-4,5-DIHYDROXY-2-PENTENOATE

ETHYL-(S)-(Z)-4,5-O-ISOPROPYLIDENE 4,5-DIHYDROXYPENT-2-ENOATE

ETHYL-(Z)-3-[(4S)-2,2-DIMETHYL-1,3-DIOXOLAN-4-YL]-2-PROPENOATE