Uridine 5′-(trihydrogen diphosphate), P′→7-ester with 5-(acetylamino)-2,6-anhydro-5-deoxy-D-glycero-L-gulo-heptitol

Uridine 5′-(trihydrogen diphosphate), P′→7-ester with 2,6-anhydro-D-glycero-L-galacto-heptitol

4-Amino-8-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,6-dimethyl-7(8H)-pteridinone

N′-[8-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-7,8-dihydro-2,6-dimethyl-7-oxo-4-pteridinyl]-N,N-dimethylmethanimidamide

4-Amino-8-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-6-methyl-7(8H)-pteridinone

N′-[8-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-7,8-dihydro-6-methyl-7-oxo-4-pteridinyl]-N,N-dimethylmethanimidamide