1H-Purine-2,6-dione, 3,7-dihydro-7-(2-aminoethyl)-1,3-dimethyl-8-(1-piperidinyl)-, monohydrochloride 3,7-Dihydro-7-(2-aminoethyl)-1,3-dimethyl-8-(1-piperidinyl)-1H-purine-2,6-dione HCl 7-(beta-Aminoethyl)-8-piperidinotheophylline hydrochloride UO8407000