preferred_name: 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine <=> 1-(9Z,12Z-octadecadienoyl)-N-acetylsphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
preferred_name_lc: 1-hexadecanoyl-2-(9z,12z-octadecadienoyl)-sn-glycero-3-phosphocholine + n-(acetyl)-sphing-4-enine <=> 1-(9z,12z-octadecadienoyl)-n-acetylsphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
label: 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine <=> 1-(9Z,12Z-octadecadienoyl)-N-acetylsphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
label_lc: 1-hexadecanoyl-2-(9z,12z-octadecadienoyl)-sn-glycero-3-phosphocholine + n-(acetyl)-sphing-4-enine <=> 1-(9z,12z-octadecadienoyl)-n-acetylsphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphocholine