分类号 |
C07D277/20;A01N;A61K;A61K31/33;A61K31/35;A61K31/545;C07D;C07D277/02;C07D277/40;C07D277/593;C07D277/62;C07D277/74;C07D417/12;C07D501/00;C07D501/04;C07D501/06;C07D501/20;C07D501/22;C07D501/24;C07D501/34;C07D501/36;C07D501/56;C07D521/00;(IPC1-7):C07D/ |
主分类号 |
C07D277/20 |