methyl (2S,3R,4S)-3-ethenyl-4-(2-oxoethyl)-2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4-dihydro-2H-pyran-5-carboxylate 、
乙酰丙酮 生成
(2S,3R,4S)-4-(3,3-Diacetyl-2-propenyl)-3-ethenyl-2-(β-D-glucopyranosyloxy)-3,4-dihydro-2H-pyran-5-carboxylate