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TOPHARMAN SHANGHAN CO., LTD.
| TOPHARMAN SHANGHAN CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100048897 | PROCESS FOR THE PREPARATION OF SILDENAFIL AND INTERMEDIATES THEREOF - The present invention discloses a process for preparing sildenafil and its intermediates having the structures outlined below: | 02-25-2010 |