分类号 |
C07C233/51;C07C235/52;C07C271/22;C07C311/19;C07C311/37;C07C311/39;C07C311/40;C07C311/43;C07C311/46;C07C311/47;C07D209/14;C07D213/74;C07D215/233;C07D235/30;C07D249/12;C07D263/16;C07D263/58;C07D285/06;C07D307/24;C07D307/68;C07D333/34;C07D333/68;C07D409/04;C07D413/04 |
主分类号 |
C07C233/51 |