2-(2-Phenylcarboxamidoethyl)-2-thiopseudourea hydrobromide 73839-99-3 Carbamimidothioic acid, 3-oxo-3-(phenylamino)propyl ester, monohydrobromide NSC220037 Pseudourea, 2-(2-carbaniloylethyl)-2-thio-, hydrobromide S-(.beta.-N-Phenylcarboxamidoethyl)isothiuronium bromide