单词：pyridyl
音标：['piridil] ；
吡啶 基, 氮苯基
n. A hypothetical radical, C5H4N, regarded as the essential
residue of pyridine, and analogous to phenyl.
residue of pyridine, and analogous to phenyl.
单词：pyridyl 相关文章
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
发表于:2018-12-30 / 阅读(357) / 评论(0)
国家地理2008年
国家地理2008年
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
发表于:2019-01-22 / 阅读(339) / 评论(0)
自然百科2008年
自然百科2008年