hexanoate + sphing-4-enine => N-(hexanoyl)sphing-4-enine + H2O
hexanoate + sphing-4-enine => n-(hexanoyl)sphing-4-enine + h2o
hexanoate + sphing-4-enine => N-(hexanoyl)sphing-4-enine + H2O
hexanoate + sphing-4-enine => n-(hexanoyl)sphing-4-enine + h2o