(3S,4S,5R)-4-acetylamino-5-tert-butyldimethylsilyloxy-3-methylthio-1-cyclopentene

(3S,4S,5S)-4-acetylamino-5-tert-butyldimethylsilyloxy-3-methylthio-1-cyclopentene

(3aR,3bR,6aS,7R,7aR)-7-iodotetrahydro-3aH-spiro[[1,3]dioxolo[4',5':3,4]cyclopenta[1,2-d]oxazole-2,1'-cyclohexan]-5(3bH)-one

O-((3a'S,4'R,6a'S)-4',6a'-dihydro-3a'H-spiro[cyclohexane-1,2'-cyclopenta[d][1,3]dioxol]-4'-yl) S-methyl 4-methoxybenzylcarbonimidothioate

(3aR,3bR,6aS,7R,7aR)-7-iodo-6-(4-methoxybenzyl)tetrahydro-3aH-spiro[[1,3]dioxolo[4',5':3,4]cyclopenta[1,2-d]oxazole-2,1'-cyclohexan]-5(3bH)-one