benzyl 6-deoxy-6-(2'-dithianyl)-2,3,4-tri-O-benzyl-α-D-mannopyranoside

benzyl 7-O-tetra-butyldiphenylsilyl-6-O-(phenorythiocarbonyl)-2,3,4-O-tri-benzyl-D-glycero-α-D-mannoheptopyranoside

benzyl 2,3,4-tri-O-benzyl-α-D-glycero-D-manno-heptopyranoside