| 分类号 |
C07C69/63;B01J23/00;B01J23/04;B01J23/44;B01J23/72;C07B61/00;C07C;C07C45/00;C07C49/16;C07C49/20;C07C49/567;C07C51/00;C07C61/04;C07C61/35;C07C61/40;C07C62/38;C07C67/00;C07C69/34;C07C69/52;C07C69/593;C07C69/65;C07C69/716;C07C69/738;C07C69/74;C07C69/743;C07C253/00;C07C255/45;C07C255/48;(IPC1-7):C07C69/59;C07C69/73;C07C121/41 |
主分类号 |
C07C69/63 |
