发明人李文辉,郑宇鹏,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111159744 A, 授权公告日 2018-11-18.
发明人刘建华,沈红梅,唐晓军. "Method for the Synthesis of DBD-PZ [=4-(N,N-Dimethylaminosulfonyl)-7-piperazino-2,1,3-benzoxadiazole] [for HPLC Labeling]" [P]. 中国发明专利, 专利号 CN 117081715 B, 授权公告日 2016-12-25.
发明人周伟,韩伟,钱学锋. "A Process for Preparing High-Purity DBD-PZ [=4-(N,N-Dimethylaminosulfonyl)-7-piperazino-2,1,3-benzoxadiazole] [for HPLC Labeling]" [P]. 中国发明专利, 专利号 CN 117914788 A, 授权公告日 2018-02-03.
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