1 HR7 (3s)-3-amino-6-[(diaminomethylidene)amino]hexanoic acid 1.000 2 HMR Beta-homoarginine 1.000 3 0MG Amino{[(4s)-4-amino-5-carboxy-5-oxopentyl]amino}methaniminium 0.929 4 GHS 6-carbamimidamidohexanoic acid 0.923 5 HRG L-homoarginine 0.857 6 G3M (3s)-N~6~-carbamimidoyl-3-hydroxy-L-lysine 0.800 7 ARM Deoxy-methyl-arginine 0.786 8 IEL N~6~-[(1z)-ethanimidoyl]-L-lysine 0.733 9 YHA Homocitrulline 0.733 10 MLZ N-methyl-lysine 0.714 11 OAR N-(4-amino-5-hydroxy-pentyl)-guanidine 0.714 12 RGL Arginal 0.714