preferred_name: polyneuridine aldehyde + H2O = 16-epivellosimine + methanol + CO2
preferred_name_lc: polyneuridine aldehyde + h2o = 16-epivellosimine + methanol + co2
label: polyneuridine aldehyde + H2O = 16-epivellosimine + methanol + CO2
label_lc: polyneuridine aldehyde + h2o = 16-epivellosimine + methanol + co2