Synonyms: Vanillin, Benzaldehyde, 4-hydroxy-3-methoxy-, Vanillin (8CI), 2-Methoxy-4-formylphenol, 3-Methoxy-4-hydroxybenzaldehyde, 4-Formyl-2-methoxyphenol, 4-Hydroxy-3-methoxy-benzyldehyde, 4-Hydroxy-3-methoxybenzaldehyde, 4-Hydroxy-5-methoxybenzaldehyde, 4-Hydroxy-m-anisaldehyde, H 0264, Lioxin, NPLC 0145, NSC 15351, NSC 403658, NSC 48383, Rhovanil, Vanillaldehyde, Vanillic aldehyde, Vanillum, m-Methoxy-p-hydroxybenzaldehyde, p-Hydroxy-m-methoxybenzaldehyde, p-Vanillin