The disclosure relates to novel selective Grp94 inhibitors, compositions comprising an effective amount of such compounds, and methods to treat or prevent a condition, such as cancer, comprising administering to an animal in need thereof an effective amount of such compounds.本揭示內容係關於新穎之選擇性Grp94抑制劑、包含有效量之該等化合物之組合物及治療或預防諸如癌症等病況之方法,該方法包含向有需要之動物投與有效量之該等化合物。