Isomerization of safrole can afforded isosafrole - the intermediate of the effective antihypertensive agent - methyldopa.黄樟油素经碱异构化可得到治疗高血压症的有效药物 —— 甲基多巴的中间体——异黄樟油素.His grandchildren afforded him his greatest pleasure in ...
The solid decomposed rapidly with blackening.固体迅速分解并变暗.Having received a thorough blackening from Miss Pao, he could hardly go on.方鸿渐给鲍小姐喷了一身黑, 不好再讲.The output signal from the detector may be the blackening of a photogra...