(1R,2S,5S,6S,9S,10S,13S,16S)-16-[(2S,3R,4R,5R)-3-[(2S,3R,4R,5S,6R)-5-[(2R,3R,4S,5S,6R)-3,5-dimethoxy-6-(methoxymethyl)-4-[(2S,3R,4S,5S,6R)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,4-dimethoxy-6-methyloxan-2-yl]oxy-4,5-dimethoxyoxan-2-yl]oxy-10-methoxy-2,6,13,17,17-pentamethyl-6-(4-methylpent-3-enyl)-7-oxapentacyclo[10.8.0.02,9.05,9.013,18]icos-11-en-8-one 、
甲醇 、
乙酰氯 、
Silver carbonate 生成
Methyl-2,3-di-O-methyl-β-D-fucopyranosid