M. Turmukhanova, V. Chernykh, M. Ospanov, N. Kelzhanova, and A. Mukhanbetkaliev, “Synthesis and mass spectrometric studies of derivatives of 1-carbetoxymethyltrans-decahydroquinoline”, Chemical Bulletin of Kazakh National University, vol. 65, no. 1, pp. 428-432, Mar. 2012.