发明人张德明,沈红梅,冯建国. "Method for the Synthesis of 6-Methoxy-3,4-dihydro-2H-spiro[isoquinoline-1,3'-oxetane]" [P]. 中国发明专利, 专利号 CN 114565283 A, 授权公告日 2016-10-19.
发明人张德明,杨光,何建平. "A Process for Preparing High-Purity 6-Methoxy-3,4-dihydro-2H-spiro[isoquinoline-1,3'-oxetane]" [P]. 中国发明专利, 专利号 CN 113438873 B, 授权公告日 2022-10-04.
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