sphing-4-enine + hexadecanoate => N-hexadecanoylsphing-4-enine + H2O
sphing-4-enine + hexadecanoate => n-hexadecanoylsphing-4-enine + h2o
sphing-4-enine + hexadecanoate => N-hexadecanoylsphing-4-enine + H2O
sphing-4-enine + hexadecanoate => n-hexadecanoylsphing-4-enine + h2o