[(2R,3S,4S,5R,6S)-6-[[(7S)-7-acetamido-1-hydroxy-3-methoxy-10-methylsulfanyl-9-oxo-6,7-dihydro-5H-benzo[a]heptalen-2-yl]oxy]-3,4,5-triacetyloxyoxan-2-yl]methyl acetate 、
重氮甲烷 生成
N-[(7S)-1,3-dimethoxy-10-methylsulfanyl-9-oxo-2-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6,7-dihydro-5H-benzo[a]heptalen-7-yl]acetamide