| 分类号 |
B01J31/02;C07B37/04;C07B61/00;C07C2/86;C07C15/52;C07C17/263;C07C25/24;C07C43/20;C07C201/12;C07C205/06;C07C205/11;C07C209/68;C07C211/48;C07C211/50;C07C211/52;C07C227/16;C07C229/34;C07C229/52;C07C303/22;C07C309/28;C07C309/32;C07C309/72;C07C311/29;C07C311/37 |
主分类号 |
B01J31/02 |
