发明人陈志强,赵玉洁,王建平. "Method for the Synthesis of Sodium 4-(2-((1E,3E,5E)-5-(1,1-dimethyl-3-(4-sulfonatobutyl)-1H-benzo[e]indol-2(3H)-ylidene)penta-1,3-dien-1-yl)-1,1-dimethyl-1H-benzo[e]indol-3-ium-3-yl)butane-1-sulfonate" [P]. 中国发明专利, 专利号 CN 112133918 B, 授权公告日 2016-09-24.
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