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 、
1-甲基-3-苯基-1H-吡唑-5(4h)-酮 生成
Methyl (2S,3R,4S)-3-ethenyl-2-(β-D-glucopyranosyloxy)-3,4-dihydro-4-<3-(4,5-dihydro-1-methyl-5-oxo-3-phenyl-4-pyrazolyl)-2-propenyl>-2H-pyran-5-carboxylate