intestinal absorption of cytidine diphosphate choline ( cdp-choline ) , its structural changes in the digestive tract , and hepatic uptake have been investigated in rats using 14c-labeled ( 14ch3 attached to n of choline ) and 3h-labeled ( at c5 of pyrimidine ) compounds .
C0010725
cytidine diphosphate choline
C0008405
choline