发明人王建平,黄志刚,钱学锋. "Method for the Synthesis of 5-Methyl-6-thia-5-azaspiro[3.4]octan-8-one 6,6-dioxide" [P]. 中国发明专利, 专利号 CN 110789571 B, 授权公告日 2015-10-21.
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