1-(2-Aminopyridin-4-yl)-2-bromoethan-1-one

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-ethynyl-2(1H)-pyrimidinone

3'-Azido-2',3'-dideoxy-5-(2-iodoethynyl)-5'-O-[(4-methoxyphenyl)diphenylmethyl]uridine

1-[(5R,6S,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-3-phenyl-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-ethyl-5-methyl-2,4(1H,3H)-pyrimidinedione

N-Benzoyl-5'-S-[[bis(1-methylethoxy)phosphinyl]methyl]-5'-thioadenosine

5'-[[2-[Bis(phosphonomethyl)amino]acetyl]amino]-5'-deoxyuridine

N-Benzoyl-2'-O-methyladenosine 5'-(tetrahydrogen triphosphate)

2'-Amino-2'-deoxy-2'-C-methyladenosine 5'-(tetrahydrogen triphosphate)

(2'S)-2'-Chloro-2'-deoxy-2'-fluorouridine 5'-(trihydrogen diphosphate)

5-[3-[(6-Amino-1-oxohexyl)amino]-1-propen-1-yl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

2'-Chloro-4'-C-cyclopropyl-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

N-2-Acetylguanine

5-Methyoxycarbonyl methyl uracil

2-Chloro-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

3-(Bromomethyl)-1,2,4,5-tetramethoxybenzene

7-Hydroxyquinazoline-2,4(1H,3H)-dione

2,7-Bis(bromomethyl)pyrene

2,6-Dibromobenzoyl chloride

3,4-Dibromo-1-phenylpyrrolidine-2,5-dione

2-Bromo-3,5-difluorobenzenamine

5-((Pyridin-2-ylamino)methyl)pyrimidine-2,4(1H,3H)-dione