| 2933.19.04 | 00 | Aromatic or modified aromatic: | | | | |
| 2933.19.23 | 00 | Other: | | | | |
| 2933.19.37 | 00 | Other: | | | | |
| 2933.19.45 | 00 | Other: | | | | |
| 2933.19.70 | 00 | Other: | | | | |
| 2933.21.00 | 00 | Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: | | | | |
| 2933.29 | | Other: | | | | |
| 2933.29.05 | 00 | Aromatic or modified aromatic: | | | | |
| 2933.29.20 | 00 | Other: | | | | |
| 2933.29.35 | 00 | Other: | | | | |
| 2933.29.45 | 00 | Other: | | | | |
| 2933.29.60 | 00 | Other: | | | | |
| 2933.31.00 | 00 | Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: | | | | |
| 2933.32 | | Piperidine and its salts: | | | | |
| 2933.39 | | Other: | | | | |
| 2933.39.21 | 00 | Other: | | | | |
| 2933.39.21 | 00 | Pesticides: | | | | |
| 2933.39.23 | 00 | Herbicides: | | | | |
| 2933.39.31 | 00 | Drugs: | | | | |
| 2933.39.61 | | Other: | | | | |
| 2933.41.00 | 00 | Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: | | | | |
| 2933.49.08 | 00 | Other: | | | | |
| 2933.49.20 | 00 | Other: | | | | |
| 2933.49.20 | 00 | Drugs: | | | | |
| 2933.49.60 | 00 | Other: | | | | |
