ethyltoluene

意思翻译 乙基甲苯 相似词语短语 guaranine methyltheobromine───瓜拉宁甲基可可碱 双语使用场景 possibility of preparing p-methyl styrene from p-ethyltoluene by dehydrogenation on iron oxide catalyst originally used for dehydrogenation of ethyl benzene was studied...