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