发明人马晓峰,高志强,冯建国. "Method for the Synthesis of 3,6-Bis(diethylamino)-9-(2-(ethoxycarbonyl)phenyl)xanthylium chloride" [P]. 中国发明专利, 专利号 CN 114869610 B, 授权公告日 2019-08-10.
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