Hamed, A., Schmitz, R., Bergermann, A., Totzke, F., Kubbutat, M., Müller, W., … Proksch, P. (2018). Bioactive pyrrole alkaloids isolated from the Red Sea: marine sponge Stylissa carteri. Zeitschrift Fur Naturforschung. C, Journal of Biosciences. https://doi.org/10.1515/znc-2017-0161 (Original work published 2018)