19977-14-1

1-Piperazinecarboxylic acid, 4-(2-benzoyloxy-3-(1,3-dimethyl-7-xanthin yl)propyl)-, ethylester 4-[2-(Benzoyloxy)-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)propyl]-1-piperazinecarboxylic acid ethyl ester 1-Piperazinecarboxylic acid, 4-[2-(benzoyloxy)-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)propyl]-, ethyl ester