Ying, A.-G., Wu, C.-L., & He, G.-H. (2011). Efficient Protocol for Knoevenagel Condensation in Presence of the Diazabicyclo[5.4.0]undec-7-ene-Water Complex. Asian Journal of Chemistry, 24(2), 653–656. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/8634