1	EJZ	5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	1.000
2	5NU	5-nitrouracil	0.786
3	DOR	(4s)-2,6-dioxohexahydropyrimidine-4-carboxylic acid	0.786
4	OG6	6-[bis(oxidanyl)methyl]-5~{H}-pyrimidine-2,4-dione	0.786
5	ORO	Orotic acid	0.786
6	FOT	5-fluoro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.733
7	HRO	5-chloro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.733
8	IJZ	5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.733
9	IRO	5-iodo-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.733
10	RRO	5-bromo-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.733
11	TJJ	2-oxo-2,3-dihydropyrimidine-4-carboxylic acid	0.714