发明人冯建国,何建平,刘建华. "Method for the Synthesis of Ethyl 5,6-dihydro-4H-pyrrolo[3,4-d]oxazole-2-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 108139570 B, 授权公告日 2020-12-11.
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