发明人高志强,韩伟,周伟. "Method for the Synthesis of 1-(3-Butyl-6-methyl-3,4-dihydro-2H-furo[3',2':3,4]naphtho[2,1-e][1,3]oxazin-5-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 116860051 B, 授权公告日 2016-12-05.
发明人李文辉,何建平,张德明. "A Process for Preparing High-Purity 1-(3-Butyl-6-methyl-3,4-dihydro-2H-furo[3',2':3,4]naphtho[2,1-e][1,3]oxazin-5-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 109222589 B, 授权公告日 2021-03-17.
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