分类号 |
C07D237/08;C07D237/12;C07D239/26;C07D239/28;C07D239/30;C07D239/34;C07D239/36;C07D239/38;C07D239/42;C07D241/12;C07D241/14;C07D241/16;C07D241/24;C07D251/16;C07D251/20;C07D251/22;C07D251/24;C07D253/06;C07D253/065;C07D253/07;C07D257/02;C07D257/08;(IPC1-7):C07D239/26 |
主分类号 |
C07D237/08 |