4-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl-3-O-(β-D-galactopyranosyl)-(2S,3R,4R)-1-benzyloxycarbonyl-2-ethyl-3,4-dihydroxypyrrolidine

4-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-(2S,3R,4R)-1-benzyloxycarbonyl-3,4-dihydroxy-2-ethylpyrrolidine

4-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-(2S,3R,4R)-1-benzyloxycarbonyl-2-ethyl-3,4-dihydroxypyrrolidine

methyl 4-O-benzoyl-2,3-di-O-benzyl-6-deoxy-6-iodo-α-D-altropyranoside

(3R,4R,5S)-5-ethylpyrrolidine-3,4-diol