126004-36-2 5-Ethynyl-1-(5-O-phosphonoribofuranosyl)imidazole-4-carboxamide 5-Ethynyl-1-beta-D-ribofuranosylimidazole-4-carboxamide 5'-monophosphate Eicarmp Imidazole-4-carboxamide, 5-ethynyl-1-beta-D-ribofuranosyl, 5'-monophosphate