发明人郭海燕,林芳,赵玉洁. "一种噻嘧啶EP杂质A的合成方法" [P]. 中国发明专利, 专利号 CN 116823277 A, 授权公告日 2018-10-10.
发明人黄志刚,李文辉,周伟. "Method for the Synthesis of Pyrantel EP impurity A" [P]. 中国发明专利, 专利号 CN 116871287 A, 授权公告日 2025-04-28.
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