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