Definition: Derivatives of phosphatidic acids in which the phosphoric acid is bound in ester linkage to a choline moiety. Complete hydrolysis yields 1 mole of glycerol, phosphoric acid and choline and 2 moles of fatty acids.
BY 963 [ BY-963,BY963 ] contains a phospholipid derived from soybean lecithins as its active ingredient; a white powder; MF C42-H82-O10; MW 801.1 g/mol