N-phenyl-N'-methoxycarbonylmethyl thiourea

1-N,1-N',2-N,2-N'-tetraphenylethanediimidamide

ethyl 2-((4Z,5Z)-3-phenyl-4,5-bis(phenylimino)-2-thioxoimidazolidin-1-yl)acetate

1-methyl-3-(4-((2-(3-phenylthioureido)acetamido)methyl)benzyl)-1H-imidazol-3-ium tetrafluoroborate

ethyl 2-(4,5-dioxo-3-phenyl-2-thioxoimidazolidin-1-yl)acetate