Explanatory notes
… Each saccharide unit must consist of at least four, but not more than eight, carbon atoms and, as a minimum, … e) Aldol ( heading 29.12 ) and acetoin (3-hydroxy-2-butanone) ( heading 29.14 ), which, though they meet the … The sugars of this heading may be in the form of aqueous solutions. (B) SUGAR ETHERS, SUGAR ACETALS AND SUGAR ESTERS, …