1	CWD	3-(5-chloro-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-L-alanine	1.000
2	HWD	2-amino-3-(2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-propionic acid	0.933
3	BWD	2-amino-3-(5-bromo-2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-propionic acid	0.875
4	FWD	2-amino-3-(5-fluoro-2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-propionic acid	0.875
5	IWD	2-amino-3-(5-iodo-2,4-dioxo-3,4-dihydro-2h-pyrimidin-1-yl)-propionic acid	0.875
6	CUD	3-(4-amino-2-oxopyrimidin-1(2h)-yl)-D-alanine	0.812
7	CGW	(2~{S})-2-azanyl-3-[2,4-bis(oxidanylidene)-5,7-dihydrothieno[3,4-D]pyrimidin-1-yl]propanoic acid	0.778
8	CPW	(S)-2-amino-3-(1,3,5,7-pentahydro-2,4-dioxo-cyclopenta[E]pyrimidin-1-yl) proionic acid	0.778
9	NWD	3-(5-nitro-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-L-alanine	0.778
10	OUB	(S)-1-(2'-amino-2'-carboxyethyl)furo[3,4-D]pyrimidin-2,4-dione	0.778
11	PVK	(S)-1-(2'-amino-2'-carboxyethyl)-5,7-dihydrofuro[3,4-D]-pyrimidine-2,4(1h,3h)-dione	0.778
12	PVQ	(S)-1-[2'-amino-2'-carboxyethyl]-5,7-dihydropyrrolo[3,4-D]pyrimidin-2,4(1h,3h)-dione	0.778
13	QUS	(S)-2-amino-3-(3,5-dioxo-[1,2,4]oxadiazolidin-2-yl)-propionic acid	0.750
14	CG8	(2~{S})-2-azanyl-3-[6-methyl-2,4-bis(oxidanylidene)-5,7-dihydropyrrolo[3,4-D]pyrimidin-1-yl]propanoic acid	0.737
15	D5Y	Methyl 3-(5-bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-L-alaninate	0.722
16	4WR	1-[(2r)-2,3-diaminopropyl]-5-fluoropyrimidine-2,4(1h,3h)-dione	0.706
17	M5F	1-[(2s)-2,3-diaminopropyl]-5-fluoropyrimidine-2,4(1h,3h)-dione	0.706
18	MMS	Mimosine	0.706
19	VBO	Methyl 3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)propanoate	0.706
20	UBP	3-[3-(2-carboxyethyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl]-L-alanine	0.700