5-Nitro-furan-3-carboxylic acid (4-methoxy-phenyl)-amide
1-(4-Cyano-phenyl)-3-(5-nitro-furan-3-carbonyl)-thiourea
1-(4-Diethylamino-phenyl)-3-(5-nitro-furan-3-carbonyl)-thiourea
N-{4-[3-(5-Nitro-furan-3-carbonyl)-thioureido]-phenyl}-acetamide
1-(4-Bromo-phenyl)-3-(5-nitro-furan-3-carbonyl)-thiourea