preferred_name: an aldehyde + AH2 + NH4(+) => an aliphatic amine + A + H2O
preferred_name_lc: an aldehyde + ah2 + nh4(+) => an aliphatic amine + a + h2o
label: an aldehyde + AH2 + NH4(+) => an aliphatic amine + A + H2O
label_lc: an aldehyde + ah2 + nh4(+) => an aliphatic amine + a + h2o