Accepted Manuscript Natural products as multidrug resistance modulators in cancer Amit Kumar, Vikas Jaitak PII: S0223-5234(19)30437-4 DOI: https://doi.org/10.1016/j.ejmech.2019.05.027 Reference: EJMECH 11337 To appear in: European Journal of Medicinal Chemistry Received Date: 20 March 2019 Revised Date: 7 May 2019 Accepted Date: 7 May 2019 Please cite this article as: A. Kumar, V. Jaitak, Natural products as multidrug resistance modulators in cancer, European Journal of Medicinal Chemistry (2019), doi: https://doi.org/10.1016/ j.ejmech.2019.05.027. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.