Explanatory notes
… GENERAL In this Sub-Chapter, the term “derivatives” refers to chemical compounds which could be obtained from a … digitoxin , white crystalline powder, odourless, very toxic; digoxin ; and digitonin , a saponin of digitalis, … and nucleotides ( heading 29.34 ). (2) Alkaloids (e.g., tomatine) ( heading 29.39 ). (3) Non-natural glycosides …