Clonidine hydrochloride4205-91-8100 % similar Clonidine4205-90-790 % similar Apraclonidine hydrochloride73218-79-874 % similar Apraclonidine66711-21-566 % similar Tizanidine hydrochloride64461-82-162 % similar Tizanidine51322-75-956 % similar Lofexidine hydrochloride21498-08-847 % similar 2,6-Dichlorophenylhydrazine hydrochloride50709-36-943 % similar Tolazoline hydrochloride59-97-240 % similar Lofexidine31036-80-340 % similar Moxonidine75438-57-239 % similar Bisantrene78186-34-239 % similar Naphazoline hydrochloride550-99-238 % similar Antazoline hydrochloride2508-72-737 % similar 2-(Chloromethyl)-4,5-dihydro-1H-imidazole hydrochloride13338-49-336 % similar Brimonidine59803-98-435 % similar 2-Phenylimidazoline936-49-235 % similar N-(2-Chlorophenyl)piperazine monohydrochloride41202-32-834 % similar Tetrahydrozoline hydrochloride522-48-534 % similar Tolazoline59-98-333 % similar