N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[tris(1-methylethyl)silyl]-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-yl]-N,N-dibutylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[tris(1-methylethyl)silyl]-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-yl]-N,N-dibutylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-yl]-N,N-dibutylmethanimidamide

1-(2,3,5-Tri-O-benzoyl-β-D-ribofuranosyl)-1H-imidazo[4,5-c]pyridin-4-amine