Open Chem. Open Chem. Synthesis of (±)-3,4-dimethoxybenzyl- 4-methyloctanoate as a novel internal standard for capsinoid determination by HPLC-ESI-MS/MS(QTOF) Fayos O Barbero GF Savirón M Orduna J Universidad de Zaragoza Durán AG Palma M Molinillo JMG Macías FA Barroso CG Mallor C Garcés-Claver A Universidad de Zaragoza 2018 research-article