Composition #9: Wei, Xin., Khan, Afsar., Song, Da., Dai, Zhi., Liu, Ya-Ping., Yu, Hao-Fei., Wang, Bei., Zhu, Pei-Feng., Ding, Cai-Feng., Zhao, Xu-Dong., Wang, Yi-Fen., Luo, Xiao-Dong. Three New Pyridine Alkaloids from Vinca major Cultivated in Pakistan. natural products and bioprospecting, 2017, vol. 7, no. 4, p. 323–327. DOI: 10.1007/s13659-017-0137-7.
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