Benzamide, N-[9-[(2R,3R,3aR,7aR,9R,10R,10aR,14aR)-2-[6-(benzoylamino)-9H-purin-9-yl]-3,10-difluorodecahydro-5,5,12,12-tetraoxido-2H,3H-difuro[2,3-e:2′,3′-k][1,7,2,8,3,9]dioxadithiadiazacyclododecin-9-yl]-9H-purin-6-yl]-

N-[9-[(2R,3R,3aR,7aS,9R,10aS,14aR)-5-(2-Cyanoethoxy)-2-(1,6-dihydro-6-oxo-9H-purin-9-yl)-3-fluorodecahydro-5,12,12-trioxido-2H-difuro[3,2-d:3′,2′-j][1,7,9,2,3,8]trioxathiaazaphosphacyclododecin-9-yl]-9H-purin-6-yl]benzamide