5-methyl-3-(5-nitro-furan-2-yl)-isoxazole-4-carboxylic acid

5-amino-3-(5-nitro-furan-2-yl)-isoxazole-4-carboxylic acid 2-morpholin-4-yl-ethyl ester

4-{1-ethoxy-2-[5-methyl-3-(5-nitro-furan-2-yl)-isoxazol-4-yl]-2-oxo-ethylamino}-benzoic acid

3-[3-(5-Nitro-furan-2-yl)-[1,2,4]oxadiazol-5-ylmethyl]-1H-indole

5-(methoxycarbonyl-methyl-amino)-3-(5-nitro-furan-2-yl)-isoxazole-4-carboxylic acid methyl ester