发明人赵玉洁,韩伟,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112521100 A, 授权公告日 2019-09-17.
发明人唐晓军,刘建华,马晓峰. "Method for the Synthesis of 5-(Pyrrolidine-1-sulfonyl)-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 108164654 B, 授权公告日 2021-10-04.
发明人陈志强,罗永刚,郑宇鹏. "A Process for Preparing High-Purity 5-(Pyrrolidine-1-sulfonyl)-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 114261737 A, 授权公告日 2018-03-13.
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