| C12P33/00 | Preparation of steroids | 
| 
 Note(s) Attention is drawn to Note (1) following the title of subclass C07J, which explains what is covered by the term "steroids".[3]  | 
Descriptions for C12P33/00 and notes/indexes are displayed on this screen.
Descriptions for C12P33/00 and notes/indexes are displayed on this screen.
| C12P33/00 | Preparation of steroids | 
| 
 Note(s) Attention is drawn to Note (1) following the title of subclass C07J, which explains what is covered by the term "steroids".[3]  |