发明人何建平,沈红梅,林芳. "Method for the Synthesis of N,N'-(1,2-Phenylene)dipicolinamide" [P]. 中国发明专利, 专利号 CN 108303598 B, 授权公告日 2023-01-08.
发明人周伟,徐明华,王建平. "A Process for Preparing High-Purity N,N'-(1,2-Phenylene)dipicolinamide" [P]. 中国发明专利, 专利号 CN 109123320 B, 授权公告日 2017-06-28.
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