. "The chemical reactions and pathways involving CDP-diacylglycerol, CDP-1,2-diacylglycerol, a substance composed of diacylglycerol in glycosidic linkage with cytidine diphosphate. It is a common intermediate in phospholipid biosynthesis." . . "CDP-diacylglycerol metabolic process" . "CDP-diacylglycerol metabolism" . . . . .