Aminourea hydrochloride563-41-7100 % similar Semicarbazide57-56-783 % similar 1,3-Diaminoguanidine monohydrochloride36062-19-850 % similar Diaminoguanidine hydrochloride38360-74-650 % similar Aminoguanidine hydrochloride16139-18-746 % similar Aminoguanidinium chloride1937-19-546 % similar Thiosemicarbazide hydrochloride4346-94-544 % similar Methylurea598-50-543 % similar Biuret108-19-043 % similar Biurea110-21-443 % similar Urea hydrochloride506-89-838 % similar 1-(3-Aminophenyl)urea hydrochloride59690-88-936 % similar Triaminoguanidine hydrochloride5329-29-335 % similar Ethylurea625-52-535 % similar tert-Butylurea1118-12-333 % similar Glycinamide hydrochloride1668-10-633 % similar (2-Hydroxyethyl)urea2078-71-933 % similar Allylurea557-11-932 % similar Propylurea627-06-532 % similar Thiosemicarbazide79-19-632 % similar