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. 2013 Feb 1;18(2):1881–1896. doi: 10.3390/molecules18021881

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© 2013 by the authors.

licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Dose-response profiles of compounds 16–18 and positive control VP16 on viability of K562 (A) and U937 (B) cells. K562 and U937 cell lines were treated for 48 h with increasing amounts of the indicated substances. All the assays were performed in quadruplicates and the results were normalized considering the cultures treated with the vehicle alone (1% DMSO).

Dose-response profiles of compounds 16–18 and positive control VP16 on viability of K562 (A) and U937 (B) cells. K562 and U937 cell lines were treated for 48 h with increasing amounts of the indicated substances. All the assays were performed in quadruplicates and the results were normalized considering the cultures treated with the vehicle alone (1% DMSO).