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de Oliveira Figueiredo P, Perdomo RT, Garcez FR, de Fatima Cepa Matos M, de Carvalho JE, Garcez WS. Further constituents of Galianthe thalictroides (Rubiaceae) and inhibition of DNA topoisomerases I and IIα by its cytotoxic β-carboline alkaloids. Bioorganic & Medicinal Chemistry Letters. 2014 Mar;24(5):1358–61. doi: 10.1016/j.bmcl.2014.01.039. |