3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-(2-furanyl)-1,3-dihydro-2H-pyrrolo[2,3-d]pyrimidin-2-one

Ethyl 1-(6-amino-9-α-D-ribofuranosyl-9H-purin-2-yl)-1H-pyrazole-4-carboxylate

6-Amino-1,9-dihydro-9-α-D-ribofuranosyl-2H-purin-2-one hydrazone

Regadenoson Impurity 10

1-(6-Amino-9-α-D-ribofuranosyl-9H-purin-2-yl)-N-methyl-1H-pyrazole-4-carboxamide

Guanylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-guanosine

Adenosine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(2-cyanoethoxy)methoxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(2-cyanoethoxy)methoxy]methyl]-N-(2-phenoxyacetyl)-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

2′-O-[[(2-Cyanoethoxy)methoxy]methyl]cytidine

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(2-cyanoethoxy)methoxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(2-cyanoethoxy)methoxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[[[[4-[(2-chloroethyl)methylamino]phenyl]methyl]methylamino]hydroxyphosphinyl]-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Adenosine, 5′-O-[[[[4-[(2-chloroethyl)methylamino]phenyl]methyl]methylamino]hydroxyphosphinyl]-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-amino-2′-deoxyuridylyl-(3′→5′)-5′-amino-5′-deoxy-

Thymidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-5-fluorocytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-4-deamino-2′-deoxy-5-fluoro-4-(1H-1,2,4-triazol-1-yl)cytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-fluoro-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

Uridine, 2′,3′-dideoxy-2′,5-diiodo-, 5′-(2,2-dimethylpropanoate)

Uridine, 5-chloro-2′,3′-dideoxy-2′-iodo-, 5′-(2,2-dimethylpropanoate)