发明人郑宇鹏,徐明华,钱学锋. "Method for the Synthesis of 2-(Aminomethyl)-7-oxaspiro[3.5]nonane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108539399 B, 授权公告日 2018-05-04.
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