发明人王建平,黄志刚,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113871824 A, 授权公告日 2016-05-20.
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发明人郭海燕,高志强,何建平. "A Process for Preparing High-Purity 2-(2-Chloroethyl)-6-(ethylsulfonyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 117508605 A, 授权公告日 2016-03-06.
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