@article{krauss_bracher_synowitz_unterreitmeier_2007,  title={Design and cytotoxic evaluation of new annonaceous acetogenin analogues},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000400004},  DOI={10.1590/S0103-50532007000400004},  number={4},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Krauss, Jürgen and Bracher, Franz and Synowitz, Katrin and Unterreitmeier, Doris},  year={2007},  pages={691–695} }