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