| 分类号 |
C07C251/60;A01N37/32;A01N37/34;A01N37/36;A01N37/38;A01N37/42;A01N37/44;A01N37/50;A01N37/52;A01N43/00;A01N43/16;C07C255/64;C07C257/06;C07C323/47;C07C323/50;C07C323/56;C07C323/60;C07C327/22;C07D209/48;C07D309/04;C07D309/12;C07D309/28;C07D401/04;C07D401/12;(IPC1-7):C07C/ |
主分类号 |
C07C251/60 |
