2939: Veg alkaloids, their salts, ethers, esters and derivs

293910: Opium alkaloids, their derivs, in bulk, salts thereof 293921: Quinine, salts, in bulk 293929: Cinchona alkaloids, derivatives nes, in bulk, salts 293930: Caffeine, salts, in bulk 293940: Ephedrines, salts, in bulk 293950: Theophylline and aminophylline, derivs, in bulk, salt 293960: Rye ergot alkaloids, derivatives, in bulk, salts 293970: Nicotine, salts, in bulk 293990: Vegetable alkaloids nes, salts, ethers, esters in bul 2939: Veg alkaloids, their salts, ethers, esters and derivs