(S)-Ethyl 2,5-diaminopentanoate dihydrochloride84772-29-233 % similar Ethyl L-lysinate dihydrochloride3844-53-933 % similar Polylysine25104-18-133 % similar L-Lysine56-87-133 % similar 1-Ethyl-2,3-piperazinedione59702-31-733 % similar Lysine70-54-233 % similar D-Lysine923-27-333 % similar (+)-α-Aminobutyric acid1492-24-632 % similar D-Alpha-aminobutyric acid2623-91-832 % similar α-Aminobutyric acid2835-81-632 % similar α-Aminobutyric acid80-60-432 % similar N-Acetylpyrrolidine4030-18-632 % similar N,N-Diethylacetamide685-91-632 % similar Methyl L-ornithine dihydrochloride40216-82-832 % similar N6-(2,2,2-Trifluoroacetyl)-L-lysyl-L-proline103300-89-632 % similar (3S)-3-Aminopiperidin-2-one34294-79-632 % similar Diethylpropionamide1114-51-831 % similar 1-Acetylpiperidine618-42-831 % similar Diethylcarbamoyl chloride88-10-831 % similar 1,1'-Carbonyldipyrrolidine81759-25-331 % similar