preferred_name: a sphingosylphosphocholine + H2O => a sphingoid base + phosphocholine + H(+)
preferred_name_lc: a sphingosylphosphocholine + h2o => a sphingoid base + phosphocholine + h(+)
label: a sphingosylphosphocholine + H2O => a sphingoid base + phosphocholine + H(+)
label_lc: a sphingosylphosphocholine + h2o => a sphingoid base + phosphocholine + h(+)