Synthesis and antimycobacterial activity of analogues of the bioactive natural products sampangine and cleistopholine36497, Claes, P., Cappoen Davie, Mbala B.M., Jacobs J., Mertens Birgit, Mathys Vanessa, Verschaeve Luc, Huygen K, and De Kimpe N. , Eur.J.Med.Chem., 0/9/2013, Volume 67, Number 110, p.98 - 110, (2013)