preferred_name: (2R,3S)-tartrate => trans-2,3-epoxysuccinate + H2O
preferred_name_lc: (2r,3s)-tartrate => trans-2,3-epoxysuccinate + h2o
label: (2R,3S)-tartrate => trans-2,3-epoxysuccinate + H2O
label_lc: (2r,3s)-tartrate => trans-2,3-epoxysuccinate + h2o