| 分类号 |
C07D237/18;B29C35/02;C07D213/70;C07D213/71;C07D215/12;C07D215/36;C07D237/10;C07D239/38;C07D241/18;C07D253/06;C07D277/80;C07D279/12;C07D417/12;C08K5/16;C08K5/22;C08K5/378;C08K5/43;C08L21/00;(IPC1-7):C07D213/71;C07D401/12;C07D403/12;C08C19/00 |
主分类号 |
C07D237/18 |
