| 2921.22.10 | 00 | Other: | | | | |
| 2921.30 | | Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof: | | | | |
| 2921.30.05 | 00 | Derived in whole or in part from any aromatic compound: | | | | |
| 2921.30.10 | 00 | Other: | | | | |
| 2921.41 | | Aromatic monoamines and their derivatives; salts thereof: | | | | |
| 2921.41 | | Aniline and its salts: | | | | |
| 2921.42 | | Aniline derivatives and their salts: | | | | |
| 2921.42.55 | 00 | Other: | | | | |
| 2921.42.65 | 00 | Other: | | | | |
| 2921.43 | | Toluidines and their derivatives; salts thereof: | | | | |
| 2921.43.40 | 00 | Other: | | | | |
| 2921.44 | | Diphenylamine and its derivatives; salts thereof: | | | | |
| 2921.44.20 | 00 | Other: | | | | |
| 2921.45 | | 1-Naphthylamine ( α-Naphthylamine), 2-Naphthylamine ( β-Naphthylamine), and their derivatives; salts thereof: | | | | |
| 2921.45.60 | 00 | Other: | | | | |
| 2921.49 | | Other: | | | | |
| 2921.49.32 | 00 | Other: | | | | |
| 2921.49.38 | 00 | Drugs: | | | | |
| 2921.49.45 | 00 | Other: | | | | |
| 2921.51 | | Aromatic polyamines and their derivatives; salts thereof: | | | | |
| 2921.51 | | o-, ￠/ p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof: | | | | |
| 2921.51.20 | 00 | Other: | | | | |
| 2921.51.30 | 00 | Other: | | | | |
| 2921.59 | | Other: | | | | |
| 2921.59.40 | 00 | Other: | | | | |
