a sphingomyelin + H2O => sphing-4-enine-phosphocholine + a carboxylate
a sphingomyelin + h2o => sphing-4-enine-phosphocholine + a carboxylate
a sphingomyelin + H2O => sphing-4-enine-phosphocholine + a carboxylate
a sphingomyelin + h2o => sphing-4-enine-phosphocholine + a carboxylate