340021-17-2 4-(2,3,6,7-Tetrahydro-2,6-dioxo-1,3-dipropyl-1H-purin-8-yl)bicyclo(2.2.2)octane-1-propanoic acid BG-9928 Bicyclo(2.2.2)octane-1-propanoic acid, 4-(2,3,6,7-tetrahydro-2,6-dioxo-1,3-dipropyl-1H-purin-8-yl)-