3-[(E)-(4-chlorophenyl)methylideneamino]-1,3-oxazolidin-2-one

3-[[dimethyl(oxo)-λ⁶-sulfanylidene]amino]-1,3-oxazolidin-2-one

3-[(E)-(2,3-dimethyl-4-oxido-1-oxoquinoxalin-1-ium-6-yl)methylideneamino]-1,3-oxazolidin-2-one

3-[[(E)-(5-nitropyrrol-2-ylidene)methyl]amino]-1,3-oxazolidin-2-one