preferred_name: octanoate + sphing-4-enine => N-octanoylsphing-4-enine + H2O
preferred_name_lc: octanoate + sphing-4-enine => n-octanoylsphing-4-enine + h2o
label: octanoate + sphing-4-enine => N-octanoylsphing-4-enine + H2O
label_lc: octanoate + sphing-4-enine => n-octanoylsphing-4-enine + h2o