| 分类号 |
G01N21/78;C07C69/22;C07C69/34;C07C211/10;C07C211/52;C07C215/16;C07C223/02;C07C229/18;C07C233/36;C07C233/78;C07C237/22;C07C243/28;C07C243/34;C07C271/22;C07C309/88;C07C311/37;C07C311/41;C07C311/48;C07C317/32;C07C323/10;C07C323/24;C07C323/59;C07C323/65;C07D207/40;C07D207/404;C07D295/06;C07D295/073;G01N33/52;(IPC1-7):G01N21/25 |
主分类号 |
G01N21/78 |
