preferred_name: 1,2-diheptadecanoyl-sn-glycero-3-phosphoethanolamine + 1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine <=> 1,2-diheptadecanoyl-sn-glycero-3-phospho-N-(9Z-octadecenoyl)-ethanolamine + 2-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)