(3aS,4R,6R,7R,7aR)-7-Hydroxy-4-methyl-6-(2-nitro-benzyloxy)-tetrahydro-[1,3]dioxolo[4,5-c]pyran-2-one

2-nitrobenzyl 2,3,4-tri-O-acetyl-β-D-fucopyranose

2,2,2-Trichloro-acetimidic acid (3R,4S,6R)-5-[(E)-benzyloxyimino]-3-{(2S,4S,5S)-5-[ethyl-(9H-fluoren-9-ylmethoxycarbonyl)-amino]-4-methoxy-tetrahydro-pyran-2-yloxy}-6-methyl-4-triethylsilanyloxy-tetrahydro-pyran-2-yl ester