The ephedrin was extracted from the upper layer of xylene extraction solution and sodium c...
下层铜代,酸化,碱化得麻黄卟啉铜钠。
）The ephedrin was extracted from the upper layer of xylene extraction solution and sodium c...
下层铜代,酸化,碱化得麻黄卟啉铜钠。
声明：以上例句、词
分类均由互联网资源自动生成，部分未经过人工审核，其表达内
代表本软件的观点；若发现问题，欢迎向我们指正。
