has role independent continuant vanillin 4-hydroxy-3-methoxybenzaldehyde A member of the class of benzaldehydes carrying methoxy and hydroxy substituents at positions 3 and 4 respectively. 4-Hydroxy-3-methoxybenzaldehyde CHEBI:18346 antioxidant benzaldehydes monomethoxybenzene phenols flavouring agent anticonvulsant anti-inflammatory agent plant metabolite