[(2R,3S,4R,5R)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate
[(2R,3S,4R,5R)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl phosphate
[(2R,3S,4R,5R)-5-(3-carbamoyl-1-pyridin-1-iumyl)-3,4-dihydroxy-2-tetrahydrofuranyl]methyl phosphate
[(2R,3S,4R,5R)-5-(3-aminocarbonylpyridin-1-ium-1-yl)-3,4-dihydroxy-oxolan-2-yl]methyl phosphate