1	AVI	N,N-dimethyl-L-histidine	1.000
2	AVJ	N,N,N-trimethyl-histidine	0.929
3	E9V	N-methyl-L-histidine	0.923
4	LW8	Trimethyl-[(2s)-1-oxidanyl-1-oxidanylidene-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propan-2-yl]azanium	0.867
5	8QJ	(1s)-1-carboxy-2-[2-(hydroxysulfanyl)-1h-imidazol-4-yl]-N,N,N-trimethylethan-1-aminium	0.812
6	DV6	[(2s)-3-[(2s)-2-(disulfanyl)-2,3-dihydro-1h-imidazol-4-yl]-1-oxidanyl-1-oxidanylidene-propan-2-yl]-trimethyl-azanium	0.812
7	HS9	N-alpha-methyl-L-histidinamide	0.786
8	MWQ	3-(1~{H}-imidazol-5-yl)propanoic acid	0.769
9	URO	(2e)-3-(1h-imidazol-4-yl)acrylic acid	0.769
10	KZ5	(2~{S})-2-(dimethylamino)-3-(2-sulfo-1~{H}-imidazol-4-yl)propanoic acid	0.765
11	DHI	D-histidine	0.714
12	DYT	(2~{S})-2-chloranyl-3-(1~{H}-imidazol-5-yl)propanoic acid	0.714
13	ECD	(4r)-4-(2-carboxyethyl)imidazolidin-2-iminium	0.714
14	HHI	(2z)-3-(1h-imidazol-5-yl)-2-iminopropanoic acid	0.714
15	HIS	Histidine	0.714
16	O66	3-[(4~{R})-5-oxidanylidene-1,4-dihydroimidazol-4-yl]propanoic acid	0.714
17	8V0	(2~{S})-2-(3-azanylpropanoylamino)-3-(1~{H}-imidazol-4-yl)propanoic acid	0.706
18	AOZ	Histopine	0.706