发明授权
EP0683168B1 Method for producing 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine 失效
一种生产2-甲基螺(1,3-氧硫杂环戊烷-5,3“)奎宁环过程

Method for producing 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine
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