1-(2-aziridinoethyl)-2-benzylimidazoline-2
Z-N2-(2-aziridinoethyl)-N1,N1-ethylenephenylacetamidine
E-N2-(2-aziridinoethyl)-N1,N1-ethylenephenylacetamidine
N2-(2-Pyrrolidinoethyl)-N1,N1-tetramethylenephenylacetamidine
2-benzyl-1-methyl-4,5-dihydro-1H-imidazole