4-(5-Bromo-1,3,4-thiadiazol-2-yl)-cis-2,6-dimethylmorpholine

1-(Benzothiazole-2-sulfonyl)-4-{[4-N-(piperonyloxycarbonyl)-cytosin-1-yl]-acetyl}-piperazin-2-one

[4-N-(2-methylthioethoxycarbonyl)-cytosin-1-yl]-acetic acid

1-(5-Chloro-benzothiazole-2-sulfonyl)-4-{[4-N-(benzhydryloxycarbonyl)-cytosin-1-yl]-acetyl}-piperazin-2-one

2-(2-(4-(((Benzo[d][1,3]dioxol-5-ylmethoxy)carbonyl)amino)-2-oxopyrimidin-1(2H)-yl)-N-(2-(benzo[d]thiazole-2-sulfonamido)ethyl)acetamido)acetic acid

[4-N-(4-methoxybenzyloxycarbonyl)-cytosin-1-yl]acetic acid

[4-N-(3,4-dimethoxybenzyloxycarbonyl)-cytosin-1-yl]-acetic acid

N-[2-(Benzothiazole-2-sulfonylamino)-ethyl]-N-[(thymin-1-yl)-acetyl]-glycine ethyl ester

1-(Benzothiazole-2-sulfonyl)-4-{[6-N-(benzyloxycarbonyl)-adenine-9-yl]-acetyl}-piperazin-2-one

[2-(Pyridin-3-yl)ethyl]urea

Methyl 2-acetamido-3-hydroxybenzoate