Alpha-[5-(5-Nitro-2-furyl)-1,3,4-oxadiazol-2-ylthio]acethydrazide, alpha-[5-(5-nitro-2-furyl)-1,3,4-oxadiazol-2-ylthio]acetamide, delta-allyl-l-([5-(5-nitro-2-furyl)-1,3,4-oxadiazol-2-ylthio]acetyl)thiosemicarbazide, and other related compounds have been synthesised for testing against Mycobacterium tuberculosis.