1-(3-(N,N-Diethyldithiocarbamoyl)propyl)-3,7-dimethylxanthine 180301-45-5 Carbamodithioic acid, diethyl-, 3-(2,3,6,7-tetrahydro-3,7-dimethyl-2,6-dioxo-1H-purin-1-yl)propyl ester