Adenylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanosine

(6R,8S,9R)-8-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-7,8,9,10-tetrahydro-3-methyl-6,9-epoxypyrimido[1,2-a]azepin-2(6H)-one

Cyclopentyl N-[1-(2-deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]carbamate

1,2-Dithiolan-4-yl N-[1-(2-deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]carbamate

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