alkylen.链烃基化合物alkyln.[化]烷基adj.含烷基的alkyl chloride烷基氯alkyl-pectin烷基化果胶alkyl aluminum铝氧烷alkyl selenide烷基硒alkyl benzoate安息香烷基酯alkyl chitosan烷基化壳聚糖alkyltin oxide烷基氧化锡alkyl radicals烷基自由基alkyl benzenes[机] 烷基苯alkyl aromatic烷基芳香烃