2'-Deoxy-O(6)-butylguanosine 50704-48-8 9H-Purin-2-amine, 6-butoxy-9-(2-deoxy-beta-D-erythro-pentofuranosyl)- O(6)-Bdg O(6)-Butyl-2'-deoxyguanosine O(6)-n-Butyldeoxyguanosine