2596368 DLPG dilauroylphosphatidylglycerol 4 2596371 DLPG 1,2-DilauroylSN-Glycero-3-(Phospho-rac-(1-glycerol)) 3 2596370 DLPG dilauroyl-PG 1 2596369 DLPG dilauroyl-sn-glycero-3-phosphatidylglycerol 1