Everett, A. J.; Openshaw, H. T.; Smith, G. F. (1957). “The constitution of aspidospermine. Part III. Reactivity at the nitrogen atoms, and biogenetic considerations”. 《Journal of the Chemical Society》: 1120–3. doi:10.1039/JR9570001120.
R. B. Woodward, Michael P. Cava, W. D. Ollis, A. Hunger, H. U. Daeniker, K. Schenker (1954). “The total synthesis of strychnine”. 《J. Am. Chem. Soc.》 76: 4749. doi:10.1021/ja01647a088. CS1 관리 - 여러 이름 (링크)
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Performance-Enhancing Substances in Sport and Exercise, Michael S. Bahrke and Charles Yesalis, Human Kinetics, 2002, ISBN0-7360-3679-2Google Books