分类号 |
B01J31/24;C07B61/00;C07C209/26;C07C209/52;C07C211/48;C07C213/02;C07C217/76;C07C231/02;C07C231/10;C07C233/02;C07C233/07;C07C233/18;C07D333/36;(IPC1-7):C07C209/52;C07C211/03;C07C211/45;C07C215/10;C07C215/42;C07C217/08;C07C217/14;C07C229/08;C07C229/46;C07C233/58;C07C255/24;C07C323/25 |
主分类号 |
B01J31/24 |