1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-N,N-dimethyl-2-(2-quinolinyl)-1H-benzimidazol-6-amine

Benzenesulfonic acid, 2,4,6-tris(1-methylethyl)-, (7R,7aR,10aR,11R)-7,7a,10a,11-tetrahydro-9,9-dimethyl-1-oxo-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-3-yl ester

Uridine, 5-bromo-2′,3′-O-(1-methylethylidene)-, 5′-methanesulfonate

1-(3-Deoxy-β-D-erythro-pentofuranosyl)-5-nitro-2(1H)-pyridinone

1-(2,5-Di-O-acetyl-3-deoxy-β-D-erythro-pentofuranosyl)-5-nitro-2(1H)-pyridinone

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-(tetrahydro-4-hydroxy-3-furanyl carbonate)

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[tetrahydro-4-[[[(4-methoxyphenyl)diphenylmethyl]thio]oxy]-3-furanyl carbonate]

7a,15a-Epoxy-1H-indolo[2,3-f]pyrrolo[3,2,1-gh][3,7]phenanthroline-1,7(2H)-dione, 3,3a,3b,4,5,6,7b,8,13,14-decahydro-6,8-dimethyl-, (3aR,3bS,7aS,7bS,12bR,15aR)-rel-

7a,12a-Epoxy-5H-pyrido[3,4-a]pyrrolo[2,3-d]carbazol-12(8H)-one, 7-acetyl-6,7,8a,9,10,11,12b,13-octahydro-11,13-dimethyl-, (4bR,7aR,8aS,12aS,12bS)-rel-

Aspidospermidine-3-carbonitrile, 3,19-epoxy-8-oxo-1-(phenylmethyl)-, (2β,3β,5α,12S)-

Aspidospermidine-3-carbonitrile, 3,19-epoxy-1-methyl-8-oxo-, (2β,3β,5α,12S)-(±)-

rel-Methyl (3aR,5S,5aS,10bR,13aR)-5-cyano-2,3,3a,5,5a,11,12,13a-octahydro-1-oxo-5,13a-epoxy-1H-indolizino[8,1-cd]carbazole-6(4H)-carboxylate

rel-(3aR,5S,5aS,10bR,13aR)-2,3,3a,5a,6,11,12,13a-Octahydro-1-oxo-6-(phenylmethyl)-5,13a-epoxy-1H-indolizino[8,1-cd]carbazole-5(4H)-carbonitrile

rel-Methyl (4R,4aR,6R,6aS,11bS)-4-ethyl-1,2,3,4,12,13-hexahydro-1-oxo-4,6-methano[1]benzothieno[3′,2′:3,4]furo[2,3-i]indolizine-6(6aH)-carboxylate

rel-Methyl (3aR,5S,5aS,10bR,13aR)-3a-ethyl-2,3,3a,11,12,13a-hexahydro-1-oxo-5,13a-epoxy-1H,4H-benzofuro[2,3-h]pyrrolo[3,2,1-ij]quinoline-5(5aH)-carboxylate

Aspidospermidine-1,3-dicarboxylic acid, 3,19-epoxy-8-oxo-, dimethyl ester, (2β,3β,5α,12S)-

Aspidospermidine-3-carboxylic acid, 3,19-epoxy-8-oxo-1-(phenylmethyl)-, methyl ester, (2β,3β,5α,12S)-

rel-Methyl (3aR,5R,5aS,10bS,13aR)-2,3,3a,11,12,13a-hexahydro-1-oxo-5,13a-epoxy-1H,4H-[1]benzothieno[2,3-h]pyrrolo[3,2,1-ij]quinoline-5(5aH)-carboxylate

rel-Methyl (3aR,5S,5aS,10bR,13aR)-2,3,3a,11,12,13a-hexahydro-1-oxo-5,13a-epoxy-1H,4H-benzofuro[2,3-h]pyrrolo[3,2,1-ij]quinoline-5(5aH)-carboxylate

rel-5,6-Dimethyl (3aR,5S,5aS,10bR,13aR)-2,3,3a,11,12,13a-hexahydro-1-oxo-5,13a-epoxy-1H-indolizino[8,1-cd]carbazole-5,6(4H,5aH)-dicarboxylate