alkylen.链烃基化合物alkyln.[化]烷基adj.含烷基的alkyl thicurea[机] 烷基硫尿alkyl thiourea烷基硫脲alkyl reaction烷基化反应alkyl titanate钛酸烷基酯alkyl glycerol烷基甘油alkylarylaminen.烷基芳基胺alkylcobalamin烷基钴胺素alkyl phosphite亚磷酸烷基酯alkyl rhodanide[机] 硫氰酸烷基酯alkyltin halide烷基卤化锡