preferred_name: pyrazine-2-carboxylate + NH4(+) => pyrazinamide + H2O
preferred_name_lc: pyrazine-2-carboxylate + nh4(+) => pyrazinamide + h2o
label: pyrazine-2-carboxylate + NH4(+) => pyrazinamide + H2O
label_lc: pyrazine-2-carboxylate + nh4(+) => pyrazinamide + h2o