Distinct Mechanisms of Cytotoxicity in Novel Nitrogenous Heterocycles: Future Directions for a New Anti-Cancer Agent oleh Rasha Saad Suliman, Sahar Saleh Alghamdi, Rizwan Ali, Ishrat Rahman, Tariq Alqahtani, Ibrahim K. Frah, Dimah A. Aljatli, Sarah Huwaizi, Shatha Algheribe, Zeyad Alehaideb, Imadul Islam