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发明人郑宇鹏,黄志刚,冯建国. "Method for the Synthesis of 4-[(Dimethylamino)methylene]-2-(4-nitrophenyl)-5-phenyl-2,4-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 110587946 B, 授权公告日 2018-04-03.
Fischer A B, Kumar R, Anderson J P. "A Process for Preparing High-Purity 4-[(Dimethylamino)methylene]-2-(4-nitrophenyl)-5-phenyl-2,4-dihydro-3H-pyrazol-3-one" [P]. US Patent, US 9024762 B2, 2021-04-07.
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