(E)-prop-1-en-1-SO-peroxol = (Z)-propanethial S-oxide
(e)-prop-1-en-1-so-peroxol = (z)-propanethial s-oxide
(E)-prop-1-en-1-SO-peroxol = (Z)-propanethial S-oxide
(e)-prop-1-en-1-so-peroxol = (z)-propanethial s-oxide