吡哆醇杂质3
QY-BDC-03
Pyridinium, 3-hydroxy-1-[[5-hydroxy-4-(hydroxymethyl)-6-methyl-3-pyridinyl]methyl]-4,5-bis(hydroxymethyl)-2-methyl-, chloride, hydrochloride
19598-93-7
C16H21ClN2O5.HCl