发明人胡光,陈志强,冯建国. "Method for the Synthesis of tert-Butyl 2-thia-3,7-diazaspiro[4.4]nonane-7-carboxylate 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 113939844 B, 授权公告日 2022-11-28.
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