Cyclobutane exists predominantly in a " butterfly " conformation.环丁烷主要成 “ 蝶式 ” 构象存在.On the other hand , cyclobutane pyrimidine dimmer ( CPD ) just has an effect of cell cycle arrest.而CPD光 产物 ( cyclobutanepyrimidinedimmer...

n.环丁烷...

cyclobutane的音标：cyclobutane的英式发音音标为：[saɪkləʊ'bju:teɪn]cyclobutane的美式发音音标为：[saɪkloʊ'bjuteɪn]...