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