preferred_name: (E)-but-1-en-1-SO-peroxol => (Z)-butanethial oxide
preferred_name_lc: (e)-but-1-en-1-so-peroxol => (z)-butanethial oxide
label: (E)-but-1-en-1-SO-peroxol => (Z)-butanethial oxide
label_lc: (e)-but-1-en-1-so-peroxol => (z)-butanethial oxide