阅读说明：本技术 组合物、方法和用途 (Compositions, methods and uses ) 是由 A.N.罗斯 M.罗伯茨 于 2018-03-28 设计创作，主要内容包括：式(I)的季铵盐：<Image he="191" wi="139" file="100004_DEST_PATH_IMAGE001.GIF" imgContent="drawing" imgFormat="GIF" orientation="portrait" inline="no"></Image>其中X是连接基团；Y是O、NH或NR<Sup>1</Sup>,其中R<Sup>1</Sup>是H或任选取代的烃基；Q<Sup>+</Sup>是包括季铵阳离子的部分；A<Sup>-</Sup>是阴离子；R<Sup>2</Sup>是任选取代的亚烷基；R<Sup>3</Sup>是氢或任选取代的烃基；且n是0或正整数；条件是当R<Sup>3</Sup>是氢时n不为0。(a quaternary ammonium salt of formula (I): wherein X is a linking group; y is O, NH or NR1 wherein R1 is H or an optionally substituted hydrocarbyl group; q + is a moiety comprising a quaternary ammonium cation; a-is an anion; r2 is optionally substituted alkylene; r3 is hydrogen or optionally substituted hydrocarbyl; and n is 0 or a positive integer; provided that n is not 0 when R3 is hydrogen.)