Louis, MO, USA and Darmstadt, Germany, respectively. The 2-aminobenzene-1-thiol was purchased from Merk Co in Germany. HCL, H2O2, and K2S2O8 were obtained from El Naser Co. in Egypt. 2.2. Brocken-Ball Shape P2ABT Preparation The preparation of broken-ball shaped P2ABT involved the ...