大家都搜：
n.四氢嘧啶
1、synthesis of tetrahydropyrimidine derivatives via MCRs and their reaction mechanism are described in chapter two.───章讲述了四氢嘧啶衍生物的MCR合成及其反应机理的研究。
2、Then the synthesis of tetrahydropyrimidine derivatives via MCRs and their reaction mechanism are described in chapter two.───第二章讲述了四氢嘧啶衍生物的MCR合成及其反应机理的研究。