[3,4,5-triacetyloxy-6-(3-carbamoylpyridin-1-ium-1-yl)oxan-2-yl]methyl acetate,bromide

[(2R,3R,4S)-4,5-二乙酰氧基-2-(乙酰氧基甲基)-3,4-二氢-2H-吡喃-3-基]乙酸酯

N-叔丁氧羰基-3-氨基吡啶

3-吡啶甲醛

N-羟甲基烟酰胺