| Phentolamine methanesulfonate salt |
| 2-(N-[m-Hydroxyphenyl]-p-toluidinomethyl)imidazoline |
| m-(n-(2-imidazolin-2-ylmethyl)-p-toluidino)-pheno monomethanesulfonate (sal |
| phentolamine mesilate |
| phentolamine mesylate |
| phentolamine methanesulfonate |
| phentolamine methanesulphonate |
| regitin methanesulphonate |
| regitine mesylate |
| regitine methanesulfonate |
