Cytotoxic Activity of Polymethoxyflavone Compounds Ethyl Acetate Extract of Sungkai Leaves (Peronema canescens Jack) as Anticancer Candidates - Zairaini Adriliana Adriliana; Nindita Clourisa Amaris Susanto; Muhammad Fikriansyah; Indra Lasmana Tarigan; Sutrisno Sutrisno (Chempublish Journal)