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 ...
我们多收集一些这类的文章吧。Let's have some more articles of this sort.宝石类的关税率很高.There is a very high tariff on jewelry.海洋里有许多诸如鲸鱼和海豹类的海生哺乳动物.There are lots of marine mammals such as whales and seals in the sea....