… Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined. …
Explanatory notes
… and other phosphoaminolipids, whether or not chemically defined. 2923.10 - Choline and its salts 2923.20 - … where R 1 , R 2 , R 3 and R 4 may be the same or different alkyl or aryl radicals (methyl, ethyl, tolyl etc.). This … and vegetable tissue. Commercial lecithin, which is also included in this heading, is predominantly soya-bean …