(R)-(+)-2-N-(Theophyllinyl-7'-ethyl)-2-N-methylamino-1-butanol hydrochloride 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-((1-(chloromethyl)propyl)amino)ethyl)-, monohydrochloride, (R)-(+)- UO8422100