(4aR,6R,7S,8R,8aR)-8-Benzyloxy-2,2-dimethyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

(4aR,6R,7S,8R,8aS)-2,2-Dimethyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol

Methanesulfonic acid (4aR,6R,7S,8S,8aR)-8-benzyloxy-2,2-dimethyl-6-tritylsulfanyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester

2,3,4,6-tetra-O-benzyl-1-doexy-1-thio-α-D-mannopyranose