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发明人唐晓军,林芳,郭海燕. "Method for the Synthesis of 3-(3-chloro-4-fluorophenyl)-4-oxo-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112453469 A, 授权公告日 2019-01-08.
发明人杨光,马晓峰,郑宇鹏. "A Process for Preparing High-Purity 3-(3-chloro-4-fluorophenyl)-4-oxo-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109372382 A, 授权公告日 2020-01-23.
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