Seidel, R. A., Schowtka, B., Klopfleisch, M., Kuehl, T., Weiland, A., Koch, A., et al. (2014).
Total synthesis and characterization of the bilirubin oxidation product (Z)-2-(4-ethenyl-3-methyl-5-oxo-1,5-dihydro-2H-pyrrol
2-ylidene)ethanami de (Z-BOX B). Tetrahedron Letters, 55(48),
6526-6529. doi:10.1016/j.tetlet.2014.09.108.