分类号 |
C07D251/16;A01N47/36;C07D211/22;C07D213/30;C07D213/64;C07D213/643;C07D239/42;C07D251/46;C07D251/52;C07D301/14;C07D303/22;C07D307/12;C07D309/06;C07D317/22;C07D333/16;C07D401/12;C07D405/12;C07D409/12;C07D521/00;(IPC1-7):C07D239/20;C07D251/26;C07D401/10;C07D405/10;C07D409/10;C07D413/12;C07D417/12;A01N47/28 |
主分类号 |
C07D251/16 |