分类号 |
C07D303/20;C07C;C07C67/00;C07C209/00;C07C209/12;C07C209/20;C07C211/27;C07C211/29;C07C211/63;C07C215/28;C07C217/18;C07C217/56;C07C219/06;C07C219/14;C07C229/12;C07C229/22;C07C235/20;C07C313/00;C07C323/25;C07C323/32;C07C323/62;C07D213/04;C07D213/20;C07D213/30;C07D295/08;C07D303/22;C09B57/00;C11D;C11D1/38;D06L;D06L3/12;D21H |
主分类号 |
C07D303/20 |