1	XJ0	(E)-3-(2-amino-pyridine-5yl)-acrylic acid	1.000
2	A1H6Z	(2~{S})-2-azanyl-3-(6-azanylpyridin-3-yl)propanal	0.786
3	ECD	(4r)-4-(2-carboxyethyl)imidazolidin-2-iminium	0.769
4	SJW	3-pyridin-3-ylpropanal	0.769
5	1MH	3-pyridin-3-yl-L-alanine	0.714
6	B3U	2-amino-L-histidine	0.714
7	EI4	Enduracididine	0.714