preferred_name: a polyvinyl alcohol + n O2 = an oxidized polyvinyl alcohol + n H2O2
preferred_name_lc: a polyvinyl alcohol + n o2 = an oxidized polyvinyl alcohol + n h2o2
label: a polyvinyl alcohol + n O2 = an oxidized polyvinyl alcohol + n H2O2
label_lc: a polyvinyl alcohol + n o2 = an oxidized polyvinyl alcohol + n h2o2