CuZn5(2.0220) CuZn10(2.0230) CuZn15(2.0240) CuZn20(2.0250) CuZn28(2.0261) CuZn30(2.0265) CuZn33(2.0280) CuZn36(2.0335) CuZn37(2.0321) CuZn40(2.0360) CuZn36pb1.5(2.0331) CuZn37pb0.5(2.0332) CuZn36pb3(2.0375) CuZn38pb1.5(2.0371) CuZn39pb0.5(2.0372) CuZn39pb2(2.0380) CuZn39pb3(2.0401) CuZn40pb2(2.0402) CuZn44pb2(2.0410)