1	AHO	N-acetyl-N-hydroxy-L-ornithine	1.000
2	FH7	N^5^-formyl-N^5^-hydroxy-D-ornithine	0.923
3	FHO	N^5^-formyl-N^5^-hydroxy-L-ornithine	0.923
4	ORQ	N~5~-acetyl-L-ornithine	0.923
5	85G	N-ethyl-L-glutamine	0.786
6	CIR	Citrulline	0.786
7	ILO	N5-iminoethyl-L-ornithine	0.786
8	ONH	N~5~-hydroxy-L-ornithine	0.769
9	4JK	(S)-2-amino-5-(2-hydroxyacetimidamido)pentanoic acid	0.733
10	85J	N-propyl-L-glutamine	0.733
11	AYC	Alaremycin 2	0.733
12	FIO	N~5~-[(1e)-2-fluoroethanimidoyl]-L-ornithine	0.733
13	LN5	N5-(1-iminopropyl)-L-ornithine	0.733
14	VUR	(S)-2-amino-5-(2-mercaptoacetimidamido)pentanoic acid	0.733
15	WT2	(S)-2-amino-5-(2-oxoacetimidamido)pentanoic acid	0.733
16	HGA	Glutamine hydroxamate	0.714
17	MEQ	N5-methylglutamine	0.714
18	PAO	N-(phosphonoacetyl)-L-ornithine	0.706