| 分类号 |
C07C215/20;C07C233/16;C07C271/16;C07C271/32;C07C271/42;C07C275/18;C07C275/26;C07C275/32;C07C309/16;C07C335/06;C07C335/14;C07D;C07D209/14;C07D211/26;C07D213/56;C07D213/72;C07D233/61;C07D233/74;C07D309/10;C07D317/58;C07D333/20;C07D333/58;C07D401/12;C07D401/14;C07D403/12;C07D403/14;C07D405/12;C07D409/12;C07D409/14;(IPC1-7):C07C215/20 |
主分类号 |
C07C215/20 |
