发明人何建平,郭海燕,马晓峰. "Method for the Synthesis of N-(sec-butyl)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 116218574 B, 授权公告日 2016-08-10.
发明人沈红梅,郭海燕,高志强. "A Process for Preparing High-Purity N-(sec-butyl)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 109693015 A, 授权公告日 2022-07-28.
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