(3S)-3-deoxy-1,2:5,6-di-O-isopropylidene-α-D-ribo-hexofuranose-3-spiro-3-(3,3-diallylcyclopentane)

(3R)-3-deoxy-1,2:5,6-di-O-isopropylidene-α-D-ribo-hexofuranose-3-spiro-3-(3,3-diallylcyclopentane)

O-(((3'S,3a''R,5''S,6a''R)-5''-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2'',2''-dimethyldihydro-5''H-dispiro[cyclopropane-1,1'-cyclopentane-3',6''-furo[2,3-d][1,3]dioxol]-2-yl)methyl) S-methyl carbonodithioate