preferred_name: (2S)-2-amino-3-butenoate + H2O <=> 2-oxobutanoate + NH4(+)
preferred_name_lc: (2s)-2-amino-3-butenoate + h2o <=> 2-oxobutanoate + nh4(+)
label: (2S)-2-amino-3-butenoate + H2O <=> 2-oxobutanoate + NH4(+)
label_lc: (2s)-2-amino-3-butenoate + h2o <=> 2-oxobutanoate + nh4(+)