… by synthesis, and their salts, ethers, esters and other derivatives. …
Explanatory notes
… by synthesis, and their salts, ethers, esters and other derivatives . - Alkaloids of opium and their … (e.g., veratrine or the total alkaloids of opium); but deliberate intermixtures or preparations are excluded . The … ( heading 13.02 ). This heading includes hydrogenated, dehydrogenated, oxygenated and deoxygenated alkaloid …