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