“Design and synthesis of new series 6, 7-disubstituted-7H-purine analogues induce G2/M cell cycle arrest and apoptosis in human breast cancer SKBR3 cells via selective EGFR/HER2 dual kinase inhibition” (2022) International Journal of Pharmaceutical Sciences and Drug Research, 14(4), pp. 402–413. doi:10.25004/IJPSDR.2022.140407.