+++Thanks_Y@streb_Article from Science direct

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Title: Synthesis and cytotoxic activity of 2,5-disubstituted pyrimido[5,4-c]quinoline derivatives
Journal: Chinese Chemical Letters, Volume 22, Issue 11, November 2011, Pages 1277-1280
Authors: Fan Zhang, Xin Zhai, Li Juan Chen, Jian Guo Qi, Bo Cui, Yu Cheng Gu, Ping Gong

DOI:

http://dx.doi.org/10.1016/j.cclet.2011.05.030

link:

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http://www.sciencedirect.com/science/article/pii/S1001841711001653

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