1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyridin-1-ium-3-carboxamide 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyridin-1-ium-3-carboxamide 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)-2-tetrahydrofuranyl]-3-pyridin-1-iumcarboxamide 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-methylol-tetrahydrofuran-2-yl]pyridin-1-ium-3-carboxamide 19131-72-7 20299-13-2 NNR 3-carbamoyl-1-beta-D-ribofuranosylpyridinium 1-(beta-D-Ribofuranosyl)nicotinamide C03150 CHEBI:15927