1-ethoxy-3-phenylthiourea

ethyl N-(phenylcarbamothioyl)carbamate

(3Z)-3-[anilino(sulfanyl)methylidene]chromene-2,4-dione

4-hydroxy-N,N'-diphenylcoumarin-3-carboximidamide

(1E)-1-[(5E)-5-[(2,5-dichlorophenyl)hydrazinylidene]-4-phenyl-1,3-thiazol-2-ylidene]-3-phenylthiourea