6,9-Epoxy-5H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]inden-5-one, 7,8,9,10-tetrahydro-7,8-dihydroxy-3-[(phenylmethyl)amino]-, (6R,7R,8S,9R)-

7,11-Epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-1-one, 7,7a,10a,11-tetrahydro-9,9-dimethyl-3-[(phenylmethyl)amino]-, (7R,7aR,10aR,11R)-

6,9-Epoxy-3H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]indene-3,5(4H)-dione, 7,8,9,10-tetrahydro-7,8-dihydroxy-, 3-(O-methyloxime), (6R,7R,8S,9R)-

7,11-Epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]indene-1,3(2H)-dione, 7,7a,10a,11-tetrahydro-9,9-dimethyl-, 3-(O-methyloxime), (7R,7aR,10aR,11R)-

7,11-Epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]indene-1,3(2H)-dione, 7,7a,10a,11-tetrahydro-9,9-dimethyl-, 3-[O-(tetrahydro-2H-pyran-2-yl)oxime], (7R,7aR,10aR,11R)-

6,9-Epoxy-5H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]inden-5-one, 3-(butylamino)-7,8,9,10-tetrahydro-7,8-dihydroxy-, (6R,7R,8S,9R)-

(7R,7aR,10aR,11R)-3-(Butylamino)-7,7a,10a,11-tetrahydro-9,9-dimethyl-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-1-one

7,11-Epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-1-one, 7,7a,10a,11-tetrahydro-9,9-dimethyl-3-[(1-methylethyl)amino]-, (7R,7aR,10aR,11R)-

6,9-Epoxy-5H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]inden-5-one, 3-(dimethylamino)-7,8,9,10-tetrahydro-7,8-dihydroxy-, (6R,7R,8S,9R)-

(7R,7aR,10aR,11R)-3-(Dimethylamino)-7,7a,10a,11-tetrahydro-9,9-dimethyl-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-1-one

6,9-Epoxy-5H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]inden-5-one, 7,8,9,10-tetrahydro-7,8-dihydroxy-3-(methylamino)-, (6R,7R,8S,9R)-

(7R,7aR,10aR,11R)-7,7a,10a,11-Tetrahydro-9,9-dimethyl-3-(methylamino)-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-1-one

1-[5-Azido-5-deoxy-2,3-O-(1-methylethylidene)-β-L-ribofuranosyl]-5-bromo-2,4(1H,3H)-pyrimidinedione

5-Bromo-1-[2,3-O-(1-methylethylidene)-β-L-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Bromo-1-(2,3,5-tri-O-benzoyl-β-L-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

(6R,7R,8S,9R)-7,8,9,10-Tetrahydro-7,8-dihydroxy-3,5-dioxo-6,9-epoxy-3H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]indene-4(5H)-acetonitrile

(7R,7aR,10aR,11R)-7,7a,10a,11-Tetrahydro-9,9-dimethyl-1,3-dioxo-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]indene-2(3H)-acetonitrile

(6R,7R,8S,9R)-7,8,9,10-Tetrahydro-7,8-dihydroxy-4-methyl-6,9-epoxy-3H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]indene-3,5(4H)-dione

(7R,7aR,10aR,11R)-7,7a,10a,11-Tetrahydro-2,9,9-trimethyl-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]indene-1,3(2H)-dione

6,9-Epoxy-3H,6H-1,2,4,5a,10a-pentaazacyclooct[cd]indene-3,5(4H)-dione, 3-amino-7,8,9,10-tetrahydro-7-hydroxy-, (6R,7R,9S)-