分类号 |
B01J23/44;C07B61/00;C07C33/025;C07C33/42;C07C247/04;C07C247/08;C07D;C07D303/14;C07D307/18;C07D307/20;C07D307/22;C07D307/24;C07F7/00;C07F7/28;C07H5/02;C07H5/04;C07H5/10;C07H11/00;C07H13/04;C07H13/06;C07H13/08;C07H15/04;C07H15/14;C07H15/203 |
主分类号 |
B01J23/44 |