发明人冯建国,孙丽萍,韩伟. "Method for the Synthesis of tert-Butyl5-(methoxymethoxy)-4-oxospiro[chroman-2,4-piperidine]-1-carboxylate" [P]. 中国发明专利, 专利号 CN 112015768 A, 授权公告日 2017-08-26.
发明人沈红梅,郭海燕,钱学锋. "A Process for Preparing High-Purity tert-Butyl5-(methoxymethoxy)-4-oxospiro[chroman-2,4-piperidine]-1-carboxylate" [P]. 中国发明专利, 专利号 CN 112860514 A, 授权公告日 2022-03-20.
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