词The penem antibiotics are a series of unclassical β-lactam antibiotics including thio-substituted, carbon-substituted, heterocycle-substituted penems and the β-lactamase inhibitors.
青霉烯是一
非典型β-内酰胺抗生素,能用于治疗
多种耐药菌引起的重症感染。
词条纠错
X
n. 杂环
These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields.
【文摘】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.
声明：以上例句、词性分
均
网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
difluoroethylene, difluoromethane, difluoromonoch-loromethane, difluron, difmedol, Difolotan, diformin, Diftoran, difumarate, difunctional,
相似单词
heterocotylus, heterocrine, heterocrisis, heterocrystal, Heterocuma, heterocycle, heterocyclic, heterocyclic compound, heterocyclic ring, heterocyclics,
译
