the choline-linked fraction contained high amounts of 1-o-alkyl-2-acyl-x ( 44 % ) and 1,2-diacyl-sn-glycero-3-phosphocholine ( 47 % ) , and a lesser amount of 1-o-alk-1'-enyl-2-acyl-sn-glycero-3-phosphocholine ( 9 % ) .
C0008405
choline
C0031716
phosphocholine