An aldehyde, C8 H9 NO3 , one of several active forms of pyridoxine, important in amino acid synthesis.
An aldehyde, C8H9NO3, closely related to vitamin B6 and exhibiting vitamin activity.
An aldehyde, C8 H9 NO3 , that is one of several forms of vitamin B6 .
(biochemistry) One of the three natural forms of vitamin B6
Origin of pyridoxal