分类号 |
C07D251/22;A01N37/52;A01N43/40;C07C259/20;C07C311/38;C07C323/48;C07D209/08;C07D209/88;C07D213/76;C07D213/77;C07D215/38;C07D215/40;C07D215/42;C07D217/02;C07D231/38;C07D231/56;C07D235/30;C07D237/20;C07D239/42;C07D241/20;C07D253/06;C07D257/02;C07D261/14;C07D275/02;C07D277/20;C07D277/50;C07D277/82;C07D285/06;C07D285/12;C07D285/135;C07D285/18;C07D295/12;C07D311/80;C07D317/66;C07D319/16;C07D319/18;C07D333/38;C07D471/04;C07D521/00;(IPC1-7):C07C/ |
主分类号 |
C07D251/22 |