分类号 |
C07C317/14;C07C317/18;C07C317/20;C07C317/22;C07C317/24;C07C317/44;C07C331/04;C07D205/04;C07D207/48;C07D211/96;C07D213/70;C07D213/71;C07D213/89;C07D233/84;C07D239/38;C07D249/08;C07D249/12;C07D257/04;C07D277/36;C07D285/125;C07D295/092;C07D295/26;C07D307/38;C07D307/46;C07D307/52;C07D307/64;C07D307/68;C07D317/46;C07D333/18;C07D333/48;C07D491/08 |
主分类号 |
C07C317/14 |