1,3,7-Trimethyl-8-(3-(4-diethylaminocarbonyl-1-piperazinyl)propyl)-3,7-dihydro-(1H)2,6-purinedione 1-Piperazinecarboxamide, N,N-diethyl-4-(3-(2,3,6,7-tetrahydro-1,3,7-trimethyl-2,6-dioxo-1H-purin-8-yl)propyl)-, monohydrochloride 138472-18-1 98833-92-2 N,N-Diethyl-4-(3-(2,3,6,7-tetrahydro-1,3,7-trimethyl-2,6-dioxo-1H-purin-8-yl)propyl)-1-piperazinecarboxamide monohydrochloride S 9977 S 9977-2 S-9977 S-9977-2 S9977