157309-20-1 1H-Purine-2,6-dione, 3,7-dihydro-7-(3-(cyclohexylmethylamino)propyl)-1,3-dimethyl-, monohydrochloride 7-(3-(Cyclohexylmethylamino)propyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione hydrochloride 7-(3-(N-methyl-N-cyclohexyl)aminopropyl)-1,3-dimethylxanthine hydrochloride