cyclobutane造句
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, CPD ) 仅仅造成细胞周期暂时或短期的停滞现象.