dialkyl

dialkyl alkylphosphonate

膦酸二烷基酯

Through IR analysis, the main component in group II was identified as dialkyl-benzene, while in Group III was monoalkyl-benzene as well as dialkyl-tetralin and indane (DTI).

然后用紫外法求得了第Ⅱ族邻、间二烷基苯之和对二烷基苯的质量1∶409。