2-(Chloromethyl)-4,5-dihydro-1H-imidazole hydrochloride13338-49-3100 % similar Tolazoline hydrochloride59-97-247 % similar Antazoline hydrochloride2508-72-741 % similar Naphazoline hydrochloride550-99-240 % similar 2,2′-Azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride27776-21-238 % similar Tolazoline59-98-338 % similar Xylometazoline hydrochloride1218-35-537 % similar Clonidine hydrochloride4205-91-836 % similar 2-Imidazolidinone120-93-436 % similar Lysidine (chemical)534-26-934 % similar Ethylene thiourea96-45-734 % similar Antazoline91-75-834 % similar Apraclonidine hydrochloride73218-79-833 % similar Naphazoline835-31-433 % similar 1,4-Diazepan-5-one hydrochloride208245-76-532 % similar Oxymetazoline hydrochloride2315-02-831 % similar Phentolamine50-60-231 % similar Lofexidine hydrochloride21498-08-830 % similar Xylometazoline526-36-330 % similar