1 C4G N~5~-[N-(3-aminopropyl)carbamimidoyl]-L-ornithine 1.000 2 3AR N-omega-propyl-L-arginine 0.938 3 ARV 5-N-allyl-arginine 0.938 4 BWV N~5~-(N-butylcarbamimidoyl)-L-ornithine 0.882 5 C6D N~5~-[N-(3-hydroxypropyl)carbamimidoyl]-L-ornithine 0.882 6 C67 N~5~-[N-(2-carboxyethyl)carbamimidoyl]-L-ornithine 0.833 7 0AR N-[N-[(4s)-4-azanyl-5-hydroxy-5-oxo-pentyl]carbamimidoyl]ethanamide 0.824 8 NMM (2s)-2-amino-5-[(N-methylcarbamimidoyl)amino]pentanoic acid 0.812 9 D20 N~5~-{imino[(2-methoxyethyl)amino]methyl}-L-ornithine 0.778 10 POK 2-[[~{N}-[(4~{S})-4-azanyl-5-oxidanylidene-pentyl]carbamimidoyl]amino]ethanoic acid 0.778 11 3KJ N~5~-(N-hydroxy-N-methylcarbamimidoyl)-L-ornithine 0.765 12 DA2 Ng,ng-dimethyl-L-arginine 0.765 13 J9Y (2s)-2-amino-5-{[(E)-amino(methylamino)methylidene](hydroxy)azaniumyl}pentanoate 0.765 14 4KJ (5e)-5-[(N-methoxy-N-methylcarbamimidoyl)imino]-L-norvaline 0.722 15 WEZ N-[(4s)-4-amino-5-oxopentyl]-N'-[(1s)-1-hydroxy-2-oxoethyl]guanidine 0.722 16 AS1 Argininosuccinate 0.714 17 C1J N~5~-(N-octylcarbamimidoyl)-L-ornithine 0.714 18 HAR N-omega-hydroxy-L-arginine 0.706