label: 2-hexadecanoylglycerol + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine <=> 1-(9Z)-octadecenoyl-2-hexadecanoylglycerol + (9Z-octadecenoyl)-sn-glycero-3-phosphocholine
label_lc: 2-hexadecanoylglycerol + 1,2-di-(9z-octadecenoyl)-sn-glycero-3-phosphocholine <=> 1-(9z)-octadecenoyl-2-hexadecanoylglycerol + (9z-octadecenoyl)-sn-glycero-3-phosphocholine