1. A. Singh, R. Kukreti, L. Saso, and S. Kukreti, Molecules, 24(8), 1583 (2019).
2. K. S. Cho, M. Shin, S. Kim, and S. B. Lee, Oxid. Med. Cell. Longev., 2018 (2018).
3. H. Fischer and H. Orth, Die Chemie des Pyrrols, Akademische Verlagsgesellschaftmbh., Leipzig (1934).
4. R. A. Jones, Pyrroles: The Synthesis and the Physical and Chemical Aspects of the Pyrrole ring, Wiley-Interscience (1990).
5. A. Thurkauf, J. Yuan, N. Chen, et al., J. Med. Chem., 38(25), 4950 – 4952 (1995).