3-[(Z)-{[(6-aminopyridin-2-yl)methoxy]imino}(phenyl)methyl]-2-methyl-1,2,4-oxadiazol-5(2H)-one

(Z)-N-(6-(((((2-methyl-5-oxo-2,5-dihydro-1,2,4-oxadiazol-3-yl)(phenyl)methylene)amino)oxy)methyl)pyridin-2-yl)hexanamide

2-methylpent-4-yn-2-yl {6-[({[(Z)-(2-methyl-5-oxo-2,5-dihydro-1,2,4-oxadiazol-3-yl)(phenyl)methylene]amino}oxy)methyl]pyridin-2-yl}carbamate

tert-butyl {6-[({[(Z)-(2-ethyl-5-oxo-2,5-dihydro-1,2,4-oxadiazol-3-yl)(phenyl)methylene]amino}oxy)methyl]pyridin-2-yl}carbamate

tert-butyl (6-{[({(1Z)-2-[hydroxy(ethyl)amino]-2-imino-1-(phenyl)ethylidene}amino)oxy]methyl}pyridin-2-yl)carbamate