分类号 |
B01J23/44;A01N35/08;B01J25/02;C07B61/00;C07C45/45;C07C45/63;C07C49/255;C07C49/84;C07C231/04;C07C231/12;C07C233/58;C07C233/65;C07C235/40;C07C235/42;C07C235/44;C07C235/60;C07C235/82;C07D265/32;C07D295/192;(IPC1-7):C07C49/255;C07C235/46;C07C309/65;C07D295/182 |
主分类号 |
B01J23/44 |