4-(5-Nitro-2-furyl)-2-(2-pyridylamino)thiazole
2-(p-methoxyphenyl)-4-(5'-nitro-2'-furyl)thiazole
4-(5-Nitro-2-furyl)-2-(p-tolylamino)thiazole
4-(5-Nitro-2-furyl)-2-(β-phenylethylamino)thiazole
4-(5-Nitro-2-furyl)-2-(2,4-dichlorophenylamino)thiazole