3 ms·But that's Fe_2 O_3 !by smlckz 6y agoBut that's Fe_2 O_3 !ziml77 6y agoI think calling it Py2O3 would be a bit confusing though.smlckz 6y agoJust PyO or Py_3 O_4 could have been used as well, does not matter that much.