分类号 |
C07D251/20;A01N;A01N43/64;A01N43/66;C07D;C07D251/00;C07D251/12;C07D251/14;C07D251/16;C07D251/26;C07D251/30;C07D251/38;C07D251/42;C07D251/46;C07D253/00;C07D253/02;C07D307/00;C07D307/52;C07D405/12;C07D407/12;C07D521/00;(IPC1-7):A01N9/22 |
主分类号 |
C07D251/20 |