Phentolamine methanesulfonate65-28-1100 % similar Phentolamine50-60-281 % similar Antazoline91-75-835 % similar Antazoline phosphate154-68-734 % similar Antazoline hydrochloride2508-72-733 % similar 3-[(4-Methylphenyl)amino]phenol61537-49-332 % similar 3-(Diethylamino)phenol91-68-931 % similar 1-[4-(3-Hydroxyphenyl)-1-piperazinyl]ethanone67915-02-030 % similar Fenoldopam mesylate67227-57-030 % similar