IMIDE
| Date | Clue |
|---|---|
| 2008-05-02 | Ammonia derivative |
| 2003-03-30 | Ammonia derivative |
| 2002-08-13 | Ammonia derivative |
| 2001-04-09 | Ammonia compound |
| Date | Clue |
|---|---|
| 2008-05-02 | Ammonia derivative |
| 2003-03-30 | Ammonia derivative |
| 2002-08-13 | Ammonia derivative |
| 2001-04-09 | Ammonia compound |