we evaluated the effects of the pyrimidine ( cytidine and uridine ) tri- and diphosphate nucleotides ( ctp , cdp , utp , udp ) and the choline and ethanolamine derivatives of cdp ( cdp-choline , cdp-ethanolamine ) on the activities of key enzymes of the embden-meyerhof pathway .
C0008405
choline
C0010725
cdp-choline