3-Bromo-5-phenyl-1,2,4-thiadiazole

(benzenecarbonothioyliminomethylamino)urea

N-(4-phenyl-1,2,5-oxadiazol-3-yl)acetamide

(E)-3-benzoyl-5-methyl-1,2,4-thiadiazol oxime

N-[amino-(cyanoamino)methylidene]benzamide