Tripodal ion pair receptors composed of tris(pyridine-2-yl)methylamine linked to three p-nitrophenyl ureas or three amidonitroindoles recognize lithium salts selectively.

中文翻译：

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用于选择性锂盐识别的三（吡啶-2-基甲基）胺基离子对受体

由与三个对硝基苯基脲或三个氨基硝基吲哚连接的三(吡啶-2-基)甲胺组成的三足离子对受体选择性地识别锂盐。