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. 2017 Jul 13;22(7):1172. doi: 10.3390/molecules22071172

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© 2017 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Images of in vitro cytotoxicity screening against the human cervical cancer cell line HeLa for Control (A), Positive control (B), Compound 4e (C) at 50 µg/mL concentration, Compound 4k (D) at 50 µg/mL concentration.