(R)-8-((3aR,5R,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-8-hydroxy-oct-5-ynoic acid methyl ester

(Z)-(R)-8-((3aR,5R,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-8-hydroxy-oct-5-enoic acid methyl ester

methyl 8R-tert-butyldiphenylsilyloxy-9R,11R-dihydroxy-9,11-O-isopropylidene-12,12-di(ethylthio)dodeca-5Z-enoate