| 293911 | Alkaloids; of opium and their derivatives; salts thereof |
| 293919 | Alkaloids; of opium and their derivatives; other than in 2939.11, salts thereof |
| 293920 | Alkaloids; of cinchona and their derivatives; salts thereof |
| 293930 | Alkaloids; caffeine and its salts |
| 293941 | Alkaloids; ephedrine and its salts |
| 293942 | Alkaloids; pseudoephedrine (INN) and its salts |
| 293943 | Alkaloids; cathine (INN) and its salts |
| 293944 | Alkaloids; norephedrine and its salts |
| 293949 | Alkaloids; other than ephedrine, pseudoephedrine (INN), norephedrine, and cathine (INN) and their salts |
| 293951 | Alkaloids; theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof, fenetylline (INN) and its salts |
| 293959 | Alkaloids; theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof, other than fenetylline |
| 293961 | Alkaloids; of rye ergot and their derivatives, ergometrine (INN) and its salts |
| 293962 | Alkaloids; of rye ergot and their derivatives, ergotamine (INN) and its salts |
| 293963 | Alkaloids; of rye ergot and their derivatives, lysergic acid and its salts |
| 293969 | Alkaloids; of rye ergot and their derivatives, salts thereof, n.e.c. in item no. 2939.6 |
| 293971 | Alkaloids; of vegetal origin, cocaine, ecgonine, levometamfetamine, metamfetamine (INN), metamfetamine racemate; salts, esters and other derivatives thereof |
| 293979 | Alkaloids; of vegetal origin, other than cocaine, ecgonine, levometamfetamine, metamfetamine (INN), metamfetamine racemate; salts, esters and other derivatives; n.e.c. in heading no. 2939 |
| 293980 | Alkaloids; natural or reproduced by synthesis, and their salts, esters and other derivatives n.e.c. in heading no. 2939 |
