Qian, Z., Baxendale, I. R., & Ley, S. V. (2010). A Continuous Flow Process Using a Sequence of Microreactors with In-line IR Analysis for the Preparation of N,N-Diethyl-4-(3-fluorophenylpiperidin-4-ylidenemethyl)benzamide as a Potent and Highly Selective delta-Opioid Receptor Agonist. Chemistry - A European Journal, 16(41), 12342-12348. https://doi.org/10.1002/chem.201002147