发明人唐晓军,王建平,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117774804 A, 授权公告日 2019-06-14.
发明人唐晓军,高志强,朱建伟. "Method for the Synthesis of Methyl 2-amino-4-(3-nitrophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112147295 A, 授权公告日 2017-02-13.
发明人钱学锋,刘建华,韩伟. "A Process for Preparing High-Purity Methyl 2-amino-4-(3-nitrophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110205754 A, 授权公告日 2021-11-02.
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