the hydrogen at c-2 in the glycerol moiety of newly formed phosphatidylcholine molecules in bile , liver and plasma was derived to 22-25 % from the 1-pro-r position and to 5-6 % from the 1-pro-s position in the ethanol . sn-glycerol 3-phosphate isolated from liver had a lower deuterium content at c-2 .
C0020275
hydrogen
C0011744
deuterium