1	MDO	{2-[(1s)-1-aminoethyl]-4-methylidene-5-oxo-4,5-dihydro-1h-imidazol-1-yl}acetic acid	1.000
2	175	3,5-dihydro-5-methylidene-4h-imidazol-4-on	0.933
3	CRX	[2-(1-aminoethyl)-2-hydroxy-4-methylene-5-oxoimidazolidin-1-yl]acetic acid	0.933
4	CLV	{(2s)-2-[(1s)-1-aminoethyl]-5-oxo-2,5-dihydro-1h-imidazol-1-yl}acetic acid	0.929
5	KWS	{2-[(1r,2r)-1-amino-2-hydroxypropyl]-4-methylidene-5-oxo-4,5-dihydro-1h-imidazol-1-yl}acetic acid	0.875
6	CWR	(4-methyl-5-oxo-2,5-dihydro-1h-imidazol-1-yl)acetic acid	0.786
7	CR5	(2r)-2-(aminomethyl)-2,4-dihydroxy-5-oxo-3-(2-oxoethyl)-2,5-dihydro-1h-imidazol-3-ium	0.750
8	C99	{(2r)-2-[(1s,2r)-1-amino-2-hydroxypropyl]-2-hydroxy-4,5-dioxoimidazolidin-1-yl}acetic acid	0.722
9	Q2K	2-[2-(3-methylsulfanylpropanimidoyl)-4,5-bis(oxidanylidene)imidazol-1-yl]ethanoic acid	0.722
10	BJF	{2-[(1s)-1-amino-3-methylbutyl]-5-hydroxy-4-(2-methylpropyl)-1h-imidazol-1-yl}acetic acid	0.700
11	CSH	[2-(2-hydroxy-1-methyl-ethyl)-4-(1h-imidazol-4-ylmethyl)-5-oxo-imidazolidin-1-yl]-acetic acid	0.700
12	IIC	4-imidazolmethylene-5-imidazolone chromophore	0.700
13	X9Q	{(2s)-2-[(1s)-1-aminoethyl]-4-benzyl-5-oxo-2,5-dihydro-1h-imidazol-1-yl}acetic acid	0.700