preferred_name: 1-(9Z)-octadecenoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
preferred_name_lc: 1-(9z)-octadecenoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + n-(acetyl)-sphing-4-enine = 1-octadecanoyl-n-(acetyl)-sphing-4-enine + 1-(9z-octadecenoyl)-sn-glycero-3-phosphocholine
label: 1-(9Z)-octadecenoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
label_lc: 1-(9z)-octadecenoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + n-(acetyl)-sphing-4-enine = 1-octadecanoyl-n-(acetyl)-sphing-4-enine + 1-(9z-octadecenoyl)-sn-glycero-3-phosphocholine