| 分类号 |
B01J31/22;C07D317/28;B01J21/06;C07B53/00;C07B61/00;C07C45/64;C07C49/17;C07C49/185;C07C49/413;C07C49/523;C07C49/747;C07C49/757;C07C49/80;C07C67/31;C07C69/738;C07C69/757;C07C215/48;C07C215/50;C07D209/12;C07D241/12;C07D273/04;C07D307/33;C07D307/34;C07D307/60;C07D307/83;C07D309/30;C07D309/32;C07D311/20;C07D311/56;C07D311/86;C07D313/04;C07D313/08;C07D317/32;C07D405/06;C07D405/12;C07F7/00 |
主分类号 |
B01J31/22 |
