(S)-(5-oxotetrahydrofuran-2-yl)methyl pivalate

(3R,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-3-phenylsulfanyl-tetrahydro-furan-2-ol

1-O-acetyl-5-O-(tert-butyldiphenylsilyl)-2,3-dideoxy-2-phenylthio-D-erythro-pentofuranose