Analysis of alkyl esters of p-hydroxybenzoic acid (parabens) in baby teethers via gas chromatography-quadrupole mass spectrometry (GC-qMS) using a stable isotope dilution assay (SIDA) - Analytical Methods (RSC Publishing)
Methylparaben | C8H8O3 | ChemSpider
p-hydroxybenzoic acid, methyl ester, sodium salt - SpectraBase