帮助中心

Methyl (2R,4R,5R,6S)-5-hydroxy-6-[(4R)-2-oxo-1,3-dioxolan-4-yl]-2-prop-2-enoxy-4-[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-[(1S)-1,2-diacetyloxyethyl]oxan-2-yl]oxyoxane-2-carboxylate


联系我们
咨询反馈