preferred_name: a 2-oxocarboxylate + NH4(+) => a 2-iminocarboxylate + H2O
preferred_name_lc: a 2-oxocarboxylate + nh4(+) => a 2-iminocarboxylate + h2o
label: a 2-oxocarboxylate + NH4(+) => a 2-iminocarboxylate + H2O
label_lc: a 2-oxocarboxylate + nh4(+) => a 2-iminocarboxylate + h2o