Explanatory notes
… (2) That which is used solely in the preparation of pharmaceutical products (e.g., gall bags, adrenal glands, … can be used for human consumption or for the preparation of pharmaceutical products (e.g., livers, kidneys, lungs, … products (e.g., in glycerol, acetone, alcohol, formaldehyde, sodium borate). (b) In heading 30.01 when …