Isovanillic acid (3-Hydroxy-4-methoxybenzoic acid) is a phenolic acid isolated from isolated from S. frutescens, with Anti-inflammatory activity[1].
[1]. FernÁndez MA, et al. Anti-inflammatory activity in rats and mice of phenolic acids isolated from Scrophularia frutescens. J Pharm Pharmacol. 1998 Oct;50(10):1183-6.
















