methylnorethindrone

例句：

1. 1.This compound is a key intermediate in the synthesis of many drugs.
   这种化合物是合成许多药物的关键中间体。
2. 2. The methylnorethindrone was found to have anticancer properties.
   甲基萘二酮被发现具有抗癌性质。
3. 3. Methylnorethindrone is used as an anti-inflammatory agent in medicine.
   甲基萘二酮用作医药中的抗炎剂。