1	JQS	5-[(z)-(aminomethylidene)amino]-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxylic acid	1.000
2	JLN	5-(formylamino)-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxylic acid	0.920
3	FAI	5-(formylamino)-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxamide	0.846
4	C2R	5-amino-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxylic acid	0.840
5	ICR	(4r)-5-imino-1-(5-O-phosphono-beta-D-ribofuranosyl)-4,5-dihydro-1h-imidazole-4-carboxylic acid	0.840
6	AMZ	Aminoimidazole 4-carboxamide ribonucleotide	0.769
7	MZP	4-carbamoyl-1-beta-D-ribofuranosyl-imidazolium-5-olate-5'-phosphate	0.769
8	NCN	Nicotinate mononucleotide	0.769
9	IRN	1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole	0.750
10	8Y9	[(2~{R},3~{S},5~{R})-5-[(5~{S})-5-carbamimidamido-2,4-bis(oxidanylidene)imidazolidin-1-yl]-3-oxidanyl-oxolan-2-yl]methy L dihydrogen phosphate	0.741
11	G35	(5r)-5-carbamimidamido-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)imidazolidine-2,4-dione	0.741
12	RVP	Ribavirin monophosphate	0.731
13	AIR	5-aminoimidazole ribonucleotide	0.720
14	D33	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1h-imidazole	0.708
15	NMN	Beta-nicotinamide ribose monophosphate	0.704