preferred_name: sphing-4-enine + (9Z)-octadecenoate => N-(9Z-octadecenoyl)-sphing-4-enine + H2O
preferred_name_lc: sphing-4-enine + (9z)-octadecenoate => n-(9z-octadecenoyl)-sphing-4-enine + h2o
label: sphing-4-enine + (9Z)-octadecenoate => N-(9Z-octadecenoyl)-sphing-4-enine + H2O
label_lc: sphing-4-enine + (9z)-octadecenoate => n-(9z-octadecenoyl)-sphing-4-enine + h2o