分类号 |
B01D11/04;C07B31/00;C07B45/02;C07B63/00;C07C67/00;C07C301/00;C07C303/42;C07C303/44;C07C309/30;C07C309/45;C07C309/46;C07C309/48;C07C309/53;C07D213/85;C07D231/18;C07D231/24;C07D231/26;C07D239/28;C07D239/30;C07D239/42;(IPC1-7):C07B63/00 |
主分类号 |
B01D11/04 |