1,4-diphenyl-2,3-bis(phenylimino)butane-1,4-dione

ethyl 3-anilino-4-hydroxy-2-methylbenzoate

N-Benzoyl-N'-phenylacetamidine

1-methyl-2,4-diphenyl-3,5-dioxa-2,7-diazabicyclo[2.2.1]heptan-6-one

ethyl 3-anilino-3-oxo-2-phenyliminopropanoate