N-[4-[[(E)-furan-2-ylmethylideneamino]carbamoyl]phenyl]-3,4,5-trimethoxybenzamide

3,4,5-trimethoxy-N-[4-[[(E)-(4-methoxyphenyl)methylideneamino]carbamoyl]phenyl]benzamide

N-[4-[[(E)-(3,4-dimethoxyphenyl)methylideneamino]carbamoyl]phenyl]-3,4,5-trimethoxybenzamide

3,4,5-trimethoxy-N-[4-[[[(E)-(3-methoxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]amino]carbamoyl]phenyl]benzamide

3,4,5-trimethoxy-N-[4-[[[(E)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]amino]carbamoyl]phenyl]benzamide