Park J H, Kumar R, Schröder R. "Method for the Synthesis of 4,4'-((1,2-Dicyanoethene-1,2-diyl)bis(4,1-phenylene))bis(1-methylpyridin-1-ium),hexafluorophosphate(V)" [P]. US Patent, US 11881848 B2, 2015-03-26.
发明人徐明华,周伟,钱学锋. "A Process for Preparing High-Purity 4,4'-((1,2-Dicyanoethene-1,2-diyl)bis(4,1-phenylene))bis(1-methylpyridin-1-ium),hexafluorophosphate(V)" [P]. 中国发明专利, 专利号 CN 117956535 B, 授权公告日 2018-10-03.
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