5-(2,2-dichloro-acetylamino)-3-(5-nitro-furan-2-yl)-isoxazole-4-carboxylic acid methyl ester

3-(5-nitro-furan-2-yl)-5-(2,2,2-trifluoro-acetylamino)-isoxazole-4-carboxylic acid methyl ester

[3,5-bis-(5-nitro-furan-2-yl)-isoxazol-4-yl]-phenyl-methanone

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

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