(3aS,4R,6S,7R,7aR)-6-[(2R,3S,4R,5E,6S)-4-hydroxy-2-(hydroxymethyl)-6-methoxy-5-methoxyiminooxan-3-yl]oxy-4-(hydroxymethyl)-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-7-ol 生成
methyl 2-acetamido-3,6-di-O-acetyl-4-O-(2,6-di-O-acetyl-3',4'-O-isopropylidene-β-D-galactopyranosyl)-2-deoxy-α-D-glucopyranoside