Cytidine, 1′-[[2-amino-5-[[2-[[4-[(2S)-2-amino-2-carboxyethyl]phenyl](2-chloroethyl)amino]ethyl]formylamino]-1,6-dihydro-6-oxo-4-pyrimidinyl]amino]-1′-de(6-amino-9H-purin-9-yl)-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxy-

Cytidine, 7-[2-[[4-[(2S)-2-amino-2-carboxyethyl]phenyl](2-chloroethyl)amino]ethyl]-2′-deoxy-5′-O-phosphonoguanylyl-(3′→5′)-2′-deoxy-, inner salt

L-Phenylalanine, 4-[(2-chloroethyl)[2-(2′-deoxy-5′-O-phosphonoguanosin-3′-O-yl)ethyl]amino]-

L-Phenylalanine, 4-[[2-[(2′-deoxy-5′-cytidylyl)oxy]ethyl](2-hydroxyethyl)amino]-

L-Phenylalanine, 4-[(2-chloroethyl)[2-[(2′-deoxy-5′-cytidylyl)oxy]ethyl]amino]-

L-Phenylalanine, 4-[(2-chloroethyl)[2-(2′-deoxy-5′-O-phosphonocytidin-3′-O-yl)ethyl]amino]-

L-Phenylalanine, 4-[(2-chloroethyl)[2-[(2′-deoxy-5′-adenylyl)oxy]ethyl]amino]-

4-[(2-Chloroethyl)[2-[[9-(2-deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]amino]ethyl]amino]-L-phenylalanine

L-Phenylalanine, 4-[(2-chloroethyl)[2-(2′-deoxy-5′-O-phosphonoadenosin-3′-O-yl)ethyl]amino]-

1-[(1R,2R,4R,5S)-4-(Hydroxymethyl)-3-oxabicyclo[3.1.0]hex-2-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[(1R,2R,4R,5S)-4-(hydroxymethyl)-3-oxabicyclo[3.1.0]hex-2-yl]-2(1H)-pyrimidinone

1,9-Dihydro-9-[(1S,2S,4S,5R)-4-(hydroxymethyl)-3-oxabicyclo[3.1.0]hex-2-yl]-6H-purine-6-thione

1,9-Dihydro-9-[(1S,2S,4S,5R)-4-(hydroxymethyl)-3-oxabicyclo[3.1.0]hex-2-yl]-6H-purin-6-one

(1R,2S,4S,5S)-4-(6-Chloro-9H-purin-9-yl)-3-oxabicyclo[3.1.0]hexane-2-methanol

6-Chloro-9-[(1S,2S,4S,5R)-4-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-3-oxabicyclo[3.1.0]hex-2-yl]-9H-purine

1-[(1S,2S,4S,5R)-4-(Hydroxymethyl)-3-oxabicyclo[3.1.0]hex-2-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1S,2S,4S,5R)-4-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-3-oxabicyclo[3.1.0]hex-2-yl]-2,4(1H,3H)-pyrimidinedione

1-[(1S,2S,4S,5R)-4-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-3-oxabicyclo[3.1.0]hex-2-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N-[1-[(1S,2S,4S,5R)-4-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-3-oxabicyclo[3.1.0]hex-2-yl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

(1R,2S,4R,5S)-4-(2-Amino-6-chloro-9H-purin-9-yl)-3-oxabicyclo[3.1.0]hexane-2-methanol