Ismagulova, M. M., Zh. S. Nurmaganbetov, A. Zh. Turmukhambetov, T. S. Seitembetov, and S. M. Adekenov. 2009. “Synthetic Derivatives of Natural Alkaloid Harmine”. Eurasian Chemico-Technological Journal 11 (3):199-205. https://doi.org/10.18321/ectj281.