1	HOO	(2~{S})-2-azanyl-3-[2,5-bis(oxidanylidene)imidazol-4-yl]propanoic acid	1.000
2	DI6	3-[(4s)-2,5-dioxoimidazolidin-4-yl]propanoic acid	0.923
3	OHI	3-(2-oxo-2h-imidazol-4-yl)-L-alanine	0.923
4	U8S	3-[(2s)-2-hydroxy-2,3-dihydro-1h-imidazol-4-yl]-L-alanine	0.923
5	DHI	D-histidine	0.846
6	HHI	(2z)-3-(1h-imidazol-5-yl)-2-iminopropanoic acid	0.846
7	HIS	Histidine	0.846
8	O66	3-[(4~{R})-5-oxidanylidene-1,4-dihydroimidazol-4-yl]propanoic acid	0.846
9	2HF	2-fluoro-L-histidine	0.786
10	B3U	2-amino-L-histidine	0.786
11	EI4	Enduracididine	0.786
12	HIC	4-methyl-histidine	0.786
13	HSK	3-hydroxy-L-histidine	0.786
14	MHS	N1-methylated histidine	0.786
15	R2P	(2r)-2-amino-3-(4-hydroxy-1,2,5-thiadiazol-3-yl)propanoic acid	0.786
16	S2P	(2s)-2-amino-3-(4-hydroxy-1,2,5-thiadiazol-3-yl)propanoic acid	0.786
17	V5N	(2s,3s)-2-azanyl-3-(1h-imidazol-5-yl)-3-oxidanyl-propanoic acid	0.786
18	HSO	L-histidinol	0.769
19	HSV	L-histidinal	0.769
20	MWQ	3-(1~{H}-imidazol-5-yl)propanoic acid	0.769
21	URO	(2e)-3-(1h-imidazol-4-yl)acrylic acid	0.769
22	HJH	(2~{S})-2-azanyl-3-(2-methyl-5-oxidanyl-1,2,3-triazol-4-yl)propanoic acid	0.733
23	OGC	Gamma-N-methyl-beta-oh-histidine	0.733
24	OYL	1-ethyl-L-histidine	0.733
25	83O	(2s)-2-azanyl-3-(4h-1,2,4-triazol-3-yl)propanoic acid	0.714
26	DYT	(2~{S})-2-chloranyl-3-(1~{H}-imidazol-5-yl)propanoic acid	0.714
27	ECD	(4r)-4-(2-carboxyethyl)imidazolidin-2-iminium	0.714
28	ELL	(2s)-2-azanyl-3-[(3s)-2-oxidanylidenepyrrolidin-3-yl]propanal	0.714
29	HIA	L-histidine amide	0.714
30	HIX	3-(1h-1,2,3-triazol-5-yl)-L-alanine	0.714
31	KCJ	3-(1,3-thiazol-4-yl)-L-alanine	0.714
32	Q75	3-(1,3-thiazol-5-yl)-L-alanine	0.714