preferred_name: phosphocholine + an N-acylsphing-4-enine + H(+) => a sphingomyelin + H2O
preferred_name_lc: phosphocholine + an n-acylsphing-4-enine + h(+) => a sphingomyelin + h2o
label: phosphocholine + an N-acylsphing-4-enine + H(+) => a sphingomyelin + H2O
label_lc: phosphocholine + an n-acylsphing-4-enine + h(+) => a sphingomyelin + h2o