发明人周伟,马晓峰,郭海燕. "Method for the Synthesis of 4-Hydroxy-5'-methoxyspiro[cyclohexane-1,2'-inden]-1'(3'H)-one" [P]. 中国发明专利, 专利号 CN 117266394 A, 授权公告日 2021-04-24.
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