2-Amino-N-methyl-malonamide; hydrochloride

N-(2-thia-1,4-diazaspiro[4.5]dec-3-en-3-yl)benzamide

2-amino-N'-benzylpropanediamide

4-Benzyl-3-oxo-1,4-diaza-spiro[4.5]dec-1-ene-2-carboxylic acid amide

2,2-Diamino-N-benzyl-malonamide