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发明人黄志刚,钱学锋,何建平. "Method for the Synthesis of 1-Butyl-2-((E)-2-((E)-3-(2-((E)-1-butyl-3,3-dimethylindolin-2-ylidene)ethylidene)-2-chlorocyclopent-1-en-1-yl)vinyl)-3,3-dimethyl-3H-indol-1-ium perchlorate" [P]. 中国发明专利, 专利号 CN 114417197 A, 授权公告日 2024-06-28.
发明人何建平,冯建国,李文辉. "A Process for Preparing High-Purity 1-Butyl-2-((E)-2-((E)-3-(2-((E)-1-butyl-3,3-dimethylindolin-2-ylidene)ethylidene)-2-chlorocyclopent-1-en-1-yl)vinyl)-3,3-dimethyl-3H-indol-1-ium perchlorate" [P]. 中国发明专利, 专利号 CN 109045450 B, 授权公告日 2017-12-04.
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