(E)-alk-1-en-1-SO-peroxol => (Z)-alkanethial oxide
(e)-alk-1-en-1-so-peroxol => (z)-alkanethial oxide
(E)-alk-1-en-1-SO-peroxol => (Z)-alkanethial oxide
(e)-alk-1-en-1-so-peroxol => (z)-alkanethial oxide