1. Afifi TH, Okasha RM, Ahmed HEA, Ilaš J, Saleh T, Abd-El-Aziz AS (2017) Structure-activity relationships and molecular docking studies of chromene and chromene based azo chromophores: A novel series of potent antimicrobial and anticancer agents. Excli J. 16:868–902
2. Afifi TH, Okasha RM, Alsherif H, Ahmed HEA, Abd-El-Aziz AS (2017) Design, synthesis, and docking studies of 4h-chromene and chromene based azo chromophores: a novel series of potent antimicrobial and anticancer agents. Curr Org Synth. 14:1036–1051
3. Ali KA, Abdelhafez NAA, Ragab EA, Ibrahim AA, Amr AE (2015) Design and synthesis of novel fused heterocycles using 4-chromanone as synthon. Russ J Gen Chem. 85:2853–2860
4. Alley MC, Scudiero DA, Monks A, Hursey ML, Czerwinski MJ, Fine DL, Abbott BJ, Mayo JG, Shoemaker RH, Boyd MR (1988) Feasibility of Drug Screening with Panels of Human Tumor Cell Lines Using a Microculture Tetrazolium Assay. Cancer Res. 48:589–601
5. Atta-ur-Rahman MIC, Thomsen WJ (2001) Bioassay techniques for drug development bioassay techniques for drug development. Harwood Academic Publishers, Amsterdam