an N-acyl-sphingoid base + H2O => a sphingoid base + a fatty acid
an n-acyl-sphingoid base + h2o => a sphingoid base + a fatty acid
an N-acyl-sphingoid base + H2O => a sphingoid base + a fatty acid
an n-acyl-sphingoid base + h2o => a sphingoid base + a fatty acid