发明人郭海燕,罗永刚,杨光. "Method for the Synthesis of 6-(Phenylamino)-8-(phenylsulfonyl)-2,3-dihydroindolizin-5(1H)-one" [P]. 中国发明专利, 专利号 CN 114181329 B, 授权公告日 2017-10-21.
发明人罗永刚,周伟,林芳. "A Process for Preparing High-Purity 6-(Phenylamino)-8-(phenylsulfonyl)-2,3-dihydroindolizin-5(1H)-one" [P]. 中国发明专利, 专利号 CN 115038199 A, 授权公告日 2023-04-23.
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