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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/).
Cytotoxic effects of compounds 2d, 2e, 2i and 2j on 293T cells. Following pretreatment with compounds 2d, 2e, 2i and 2j at the indicated concentrations for 24 h, the cell viability of 293T cells were determined by MTT assay.