preferred_name: sphing-4-enine-phosphocholine + CMP + H(+) => CDP-choline + sphing-4-enine
preferred_name_lc: sphing-4-enine-phosphocholine + cmp + h(+) => cdp-choline + sphing-4-enine
label: sphing-4-enine-phosphocholine + CMP + H(+) => CDP-choline + sphing-4-enine
label_lc: sphing-4-enine-phosphocholine + cmp + h(+) => cdp-choline + sphing-4-enine