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In the structure of the title compound, C 37 H 40 N 4 O 8 , penta­erythrityltetra­mine is bonded to four  o -vanillin mol­ecules, forming a four-armed Schiff base mol­ecule. These mol­ecules are connected by inter­molecular C—H⋯O hydrogen bonds. Intramolecular C—H⋯N and O—H⋯N hydrogen bonds are also present.

A four-armed Schiff base: 6,6′,6′′,6′′′-tetramethoxy-2,2′,2′′,2′′′-[methanetetrayltetrakis(methylenenitrilomethylidyne)]tetraphenol