[8-(hydroxymethyl)-2,2-dimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl]methanol

5,8-bis(chloromethyl)-2,2-dimethyl-4H-[1,3]dioxino[4,5-c]pyridine

吡哆醇盐酸盐

5'-O-acetyl-3,4'-O-isopropylidenepyridoxol

5'-O-acetyl-3,4'-O-isopropylidenepyridoxol N-oxide