分类号 |
C07C2/72;C07D213/64;C07D213/68;C07D231/20;C07D231/22;C07D231/24;C07D231/26;C07D231/32;C07D231/56;C07D239/32;C07D239/34;C07D241/18;C07D249/10;C07D249/12;C07D253/06;C07D253/07;C07D271/10;C07D271/113;C07D277/22;C07D277/34;C07D277/68;C07D307/60;C07D309/36;C07D309/38;C07D311/52;C07D401/04;C11B9/00 |
主分类号 |
C07C2/72 |