1 ARM Deoxy-methyl-arginine 1.000 2 OAR N-(4-amino-5-hydroxy-pentyl)-guanidine 0.917 3 RGL Arginal 0.917 4 0MG Amino{[(4s)-4-amino-5-carboxy-5-oxopentyl]amino}methaniminium 0.857 5 4VI (2z,4e)-5-carbamimidamido-2-iminopent-4-enoic acid 0.846 6 AAR Arginineamide 0.846 7 AR7 Amino{[(4s)-4-amino-5,5-dihydroxypentyl]amino}methaniminium 0.846 8 ARG Arginine 0.846 9 DAR D-arginine 0.846 10 GND 2-amino-5-guanidino-pentanoic acid 0.846 11 IAR (2e)-5-[(diaminomethylidene)amino]-2-iminopentanoic acid 0.846 12 M9P Amino{[(4s,5s)-4-amino-6,6,6-trifluoro-5-hydroxyhexyl]amino}methaniminium 0.800 13 4D4 (2s,3r)-2-azanyl-5-carbamimidamido-3-oxidanyl-pentanoic acid 0.786 14 AGM 5-methyl-arginine 0.786 15 AHL N-hydroxy-L-argininamide 0.786 16 ARO C-gamma-hydroxy arginine 0.786 17 HMR Beta-homoarginine 0.786 18 HR7 (3s)-3-amino-6-[(diaminomethylidene)amino]hexanoic acid 0.786 19 WYK (2s,4s)-4-hydroxy-L-arginine 0.786 20 ZZU (2s,3s)-3-hydroxyarginine 0.786 21 GVA 5-{[amino(imino)methyl]amino}pentanoic acid 0.769 22 AG2 Agmatine 0.750 23 OPR (5s)-5-amino-8-carbamimidamido-4-oxooctanoic acid 0.750 24 2OR Amino{[(2r,3r,4s)-4-amino-2,3,5-trihydroxy-5-oxopentyl]amino}methaniminium 0.733 25 CIR Citrulline 0.714 26 GC7 1-guanidinium-7-aminoheptane 0.714 27 GHS 6-carbamimidamidohexanoic acid 0.714 28 ILO N5-iminoethyl-L-ornithine 0.714 29 JX7 5-carbamimidamido-2-oxopentanoic acid 0.714 30 NWG 5-[(diaminomethylidene)amino]-2-oxopentanoic acid 0.714 31 SCI L-thiocitrulline 0.714 32 U4G N-octylguanidine 0.714