a sphingomyelin + H2O = an N-acylsphing-4-enine 1-phosphate + choline + H(+)
a sphingomyelin + h2o = an n-acylsphing-4-enine 1-phosphate + choline + h(+)
a sphingomyelin + H2O = an N-acylsphing-4-enine 1-phosphate + choline + H(+)
a sphingomyelin + h2o = an n-acylsphing-4-enine 1-phosphate + choline + h(+)