发明人冯建国,王建平,唐晓军. "Method for the Synthesis of 4-Nitro-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 110371829 A, 授权公告日 2015-03-09.
发明人郭海燕,张德明,高志强. "A Process for Preparing High-Purity 4-Nitro-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 113997190 A, 授权公告日 2016-06-14.
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