Warning: file_put_contents(): Only 0 of 6374 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 benzylpenicillin例句_benzylpenicillin英汉例句_benzylpenicillin双解例句_菜篮子兴趣思朗文词典
The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials. 以苯乙酸乙酯和乙醇胺为原料合成了苄青霉素低毒前体苯乙酰基乙醇胺。