Acetic acid (2S,4aR,6R,7R,8R,8aR)-6-((R)-1-acetoxy-2,2-bis-phenylsulfanyl-ethyl)-8-azido-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

Trifluoro-methanesulfonic acid (2S,4aR,6R,7S,8R,8aS)-6-(2,2-bis-phenylsulfanyl-acetyl)-7-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester