1	0J4	(2r)-2-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)propanoic acid	1.000
2	B52	(2r)-2-(7-amino-1-methyl-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)propanoic acid	0.947
3	0J5	(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)acetic acid	0.944
4	0J2	(3r)-3-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)butanoic acid	0.762
5	0HY	Methyl (3r)-3-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)butanoate	0.727
6	Z17	(3r)-3-(7-amino-1-methyl-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)butanoic acid	0.727
7	Z25	3-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-C]pyridazin-3-yl)propanoic acid	0.714