an N-acylsphing-4-enine + H2O => sphing-4-enine + a fatty acid
an n-acylsphing-4-enine + h2o => sphing-4-enine + a fatty acid
an N-acylsphing-4-enine + H2O => sphing-4-enine + a fatty acid
an n-acylsphing-4-enine + h2o => sphing-4-enine + a fatty acid