label: 3-(4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo(2.2.2)oct-1-yl)propionic acid
label_lc: 3-(4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1h-purin-8-yl)-bicyclo(2.2.2)oct-1-yl)propionic acid