| Label | Id | |
|---|---|---|
| azo-natural | D010621 | |
| azo-standard | D010621 | |
| geridium | D010621 | |
| hydrochloride, phenazopyridine | D010621 | |
| phenazo | D010621 | |
| phenazopyridine | D010621 | |
| phenazopyridine hydrochloride | D010621 | |
| prodium | D010621 | |
| pyridiate | D010621 | |
| pyridium | D010621 | |
| re azo | D010621 | |
| re-azo | D010621 | |
| urogesic | D010621 |