3-(5-cyanopyrid-2-yl)-5-(3-cyano-5-propoxyphenyl)-1,2,4-oxadiazole
3-(5-cyanopyrid-2-yl)-5-(3-cyano-5-methylphenyl)-1,2,4-oxadiazole
3-(5-Cyanopyrid-2-yl)-5-(3-fluoro-5-chlorophenyl)-1,2,4-oxadiazole
5-(3-Cyano-5-trifluoromethoxyphenyl)-3-(5-fluoro-pyrid-2-yl)-1,2,4-oxadiazole