1	ORO	Orotic acid	1.000
2	DOR	(4s)-2,6-dioxohexahydropyrimidine-4-carboxylic acid	1.000
3	OG6	6-[bis(oxidanyl)methyl]-5~{H}-pyrimidine-2,4-dione	1.000
4	FOT	5-fluoro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.917
5	HRO	5-chloro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.917
6	IJZ	5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.917
7	IRO	5-iodo-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.917
8	RRO	5-bromo-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.917
9	TJJ	2-oxo-2,3-dihydropyrimidine-4-carboxylic acid	0.909
10	ERO	5-ethenyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.846
11	D1X	2,6-dioxo-1,2,3,6-tetrahydropyridine-4-carboxylic acid	0.833
12	OXC	Oxonic acid	0.833
13	TEV	6-methyl-2-oxo-2,5-dihydropyrimidine-4-carboxylic acid	0.833
14	6MU	6-methylpyrimidine-2,4-diol	0.818
15	EJZ	5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid	0.786
16	TJ4	5,6-dimethyl-2-oxo-2,3-dihydropyrimidine-4-carboxylic acid	0.769
17	4CS	(4s)-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid	0.750
18	53B	6-hydroxypyridine-2-carboxylic acid	0.750
19	6SM	5-chloranylpyrimidine-4-carboxylic acid	0.750
20	I3V	5-azanyl-6-methyl-1~{H}-pyrimidine-2,4-dione	0.750
21	I6R	6-ethyl-1h-pyrimidine-2,4-dione	0.750
22	MHV	4-oxo-L-pipecolic acid	0.750
23	DUC	Dihydropyrimidine-2,4(1h,3h)-dione	0.727
24	HPY	4-hydroxy-3,4-dihydro-1h-pyrimidin-2-one	0.727
25	OS0	4-oxidanyl-3,4-dihydro-1h-pyrimidin-2-one	0.727
26	URA	Uracil	0.727
27	EVA	(2s,3r,4s,5r)-3,4,5-trihydroxy-6-oxopiperidine-2-carboxylic acid	0.714
28	OTD	2-oxo-1,2,3,6-tetrahydropyrimidine-4,6-dicarboxylic acid	0.714