7-[2-(3-oxo-1,2-diphenylindolizin-7-ylidene)ethylidene]-1,2-diphenylindolizin-3-one

7-[2-(1-oxo-2,3-diphenylindolizin-7-ylidene)ethylidene]-2,3-diphenylindolizin-1-one

2,3-diphenylindolizin-1-yl 2,3-diphenylacrylate

4-(5-Benzo[1,3]dioxol-5-yl-[1,3,4]oxadiazol-2-yl)-pyridine

4-(5-Benzo[1,3]dioxol-5-yl-[1,3,4]thiadiazol-2-yl)-pyridine