(2S,3S,4R)-5-[(tert-Butyldiphenylsilyl)oxy]-3-methoxy-2,4-dimethyl-1-pentanol

Methyl 2,3-di-O-benzyl-6-dehydro-4-deoxy-4-C-ethyl-α-D-gulopyranoside

Methyl 2,3-di-O-benzyl-4-deoxy-4-C-ethyl-α-D-gulopyranoside

Methyl 6-O-(tert-butyldiphenylsilyl)-4-deoxy-4-C-ethyl-α-D-gulopyranoside