发明人赵玉洁,唐晓军,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112947055 A, 授权公告日 2019-10-27.
发明人周伟,李文辉,朱建伟. "Method for the Synthesis of 3'-(Ethylamino)-2'-methyl-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl trifluoromethanesulfonate" [P]. 中国发明专利, 专利号 CN 108894921 A, 授权公告日 2023-08-23.
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