1 JLN 5-(formylamino)-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxylic acid 1.000 2 FAI 5-(formylamino)-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxamide 0.920 3 JQS 5-[(z)-(aminomethylidene)amino]-1-(5-O-phosphono-beta-D-ribofuranosyl)-1h-imidazole-4-carboxylic acid 0.920 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 RVP Ribavirin monophosphate 0.731 11 AIR 5-aminoimidazole ribonucleotide 0.720 12 D33 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1h-imidazole 0.708 13 NMN Beta-nicotinamide ribose monophosphate 0.704