1	IZC	2h-imidazol-4-ylacetic acid	1.000
2	5HY	[(4r)-2,5-dioxoimidazolidin-4-yl]acetic acid	0.818
3	7RX	(R)-homoproline	0.800
4	EOE	Beta3-proline	0.800
5	A1AJU	4-ethenyl-1h-imidazole	0.778
6	W5H	(1-methyl-1h-pyrrol-2-yl)acetic acid	0.727
7	HSM	Histamine	0.700