3,3-dimethoxy-1H-2-benzofuran

methyl 2-(dimethylamino)-2-oxoacetate

methyl 4-(benzenesulfonylmethyl)benzoate

dimethyl 4-nitro-1H-pyrazole-3,5-dicarboxylate

2-[5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]acetonitrile