帮助中心

8-(Methoxymethoxymethyl)-9-[(4S,5S)-2-oxo-5-ethynyl-1,3-dioxolane-4-yl]-2,8-(carbonylnonamethylene)-9,6-(iminomethano)-2-azabicyclo[3.3.1]nonane


联系我们
咨询反馈