1	KWS	{2-[(1r,2r)-1-amino-2-hydroxypropyl]-4-methylidene-5-oxo-4,5-dihydro-1h-imidazol-1-yl}acetic acid	1.000
2	MDO	{2-[(1s)-1-aminoethyl]-4-methylidene-5-oxo-4,5-dihydro-1h-imidazol-1-yl}acetic acid	0.875
3	C99	{(2r)-2-[(1s,2r)-1-amino-2-hydroxypropyl]-2-hydroxy-4,5-dioxoimidazolidin-1-yl}acetic acid	0.833
4	175	3,5-dihydro-5-methylidene-4h-imidazol-4-on	0.824
5	CRX	[2-(1-aminoethyl)-2-hydroxy-4-methylene-5-oxoimidazolidin-1-yl]acetic acid	0.824
6	CLV	{(2s)-2-[(1s)-1-aminoethyl]-5-oxo-2,5-dihydro-1h-imidazol-1-yl}acetic acid	0.812
7	CRG	[2-(1-amino-2-hydroxy-propyl)-4-(3h-imidazol-4-ylmethylene)-5-oxo-4,5-dihydro-imidazol-1-yl]-acetic acid	0.762
8	XXY	2-[(1r,2r)-1-amino-2-hydroxypropyl]-1-(carboxymethyl)-4-(1h-imidazol-5-ylmethyl)-1h-imidazol-5-olate	0.762
9	CR0	[2-(1-amino-2-hydroxypropyl)-2-hydroxy-4-isobutyl-5-oxo-2,5-dihydro-1h-imidazol-1-yl]acetaldehyde	0.750
10	Q2K	2-[2-(3-methylsulfanylpropanimidoyl)-4,5-bis(oxidanylidene)imidazol-1-yl]ethanoic acid	0.737
11	BJF	{2-[(1s)-1-amino-3-methylbutyl]-5-hydroxy-4-(2-methylpropyl)-1h-imidazol-1-yl}acetic acid	0.714
12	CSH	[2-(2-hydroxy-1-methyl-ethyl)-4-(1h-imidazol-4-ylmethyl)-5-oxo-imidazolidin-1-yl]-acetic acid	0.714
13	IIC	4-imidazolmethylene-5-imidazolone chromophore	0.714