来自曹兵的问题
英语翻译3-oxo-20(S)-protopanaxatriol,3-oxo-7β-hydroxy-20(S)-protopanaxatriol,3-oxo-7β,15α-dihydroxy-20(S)-protopanaxatriol
英语翻译
3-oxo-20(S)-protopanaxatriol,3-oxo-7β-hydroxy-20(S)-protopanaxatriol,3-
oxo-7β,15α-dihydroxy-20(S)-protopanaxatriol

