(3-Cyano-4-phenyl-6-thiophen-2-yl-pyridin-2-ylsulfanyl)-acetic acid [1-phenyl-meth-(E)-ylidene]-hydrazide

(3-Cyano-4-phenyl-6-thiophen-2-yl-pyridin-2-ylsulfanyl)-acetic acid [1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazide

2-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-4-phenyl-6-thiophen-2-yl-thieno[2,3-b]pyridin-3-one

ethyl 3-amino-4-phenyl-6-(thiophen-2-yl)thieno[2,3-b]pyridine-2-carboxylate

(3-cyano-4-phenyl-6-(2-thienyl)pyridin-2-ylthio)acetic acid azide