5-[4-(2-sulfanylidene-3H-1,3,4-oxadiazol-5-yl)butyl]-3H-1,3,4-oxadiazole-2-thione

1-N',6-N'-bis[(E)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hexanedihydrazide

5-[4-(5-amino-1,3,4-oxadiazol-2-yl)butyl]-1,3,4-oxadiazol-2-amine

N',N'-bis[(4-methoxyphenyl)methylideneamino]hexanediamide