| 29 | | | HS Code for Organic chemicals |
| 2933 | | HS Code for Heterocyclic compounds with nitrogen hetero-atom(s) only |
| | 29331100 | Dimethylphenylpyrazolone and its derivatives |
| | 29331920 | Anne near |
| | 29331990 | Other structures are non-fused pyrazole ring compounds (whether or not hydrogenated) |
| | 29332100 | Hydantoin and its derivatives |
| | 29332900 | Other structures are non-fused imidazole ring compounds (whether or not hydrogenated) |
| | 29333100 | Pyridine and its salts |
| | 29333210 | Piperidine (hexahydropyridine) |
| | 29333220 | Piperidine (hexahydropyridine) salt |
| | 29333300 | Alfloxacin, nalidipine, cyanobenzene dipiperamide, bromepiazepine, diclofenacin, dibenolide, dipaphone, fentanyl, ketotone, methylphenidate, zinc, piperidine, piperidine intermediate a, phenolicide, phenpylline, piperidinol, piperidine, piperidine and trimethoate and their salts |
| | 29333910 | 3-quinacyl trimellitate |
| | 29333920 | Quinuclidin-3-ol |
| | 29333990 | Other structures are non-fused pyridine ring compounds (whether or not hydrogenated) |
| | 29334100 | Zenofenol (inn) and its salts |
| | 29334900 | Other compounds containing quinolin or isoquinoline ring system (but without further fusing) |
| | 29335200 | Malonyl urea (barbituric acid) and its salts |
| | 29335300 | Alhobarbital, pentobarbital, barbiturate, bupivacaine, n-butylbarbital, paclitaxel, pentobarbital, pentobarbital, phenobarbital, barbiturates, sparbloxate and ethylene and their salts |
| | 29335400 | Other derivatives of malonylurea and their salts |
| | 29335500 | Chlorprazolam, methachlorocarbone, and their salts |
| | 29335910 | Cytosine |
| | 29335920 | Ciprofloxacin |
| | 29335990 | Other compounds with pyrimidine ring or piperazine ring (whether or not hydrogenated) |
| | 29336100 | Melamine (melamine) |
| | 29336910 | Cyanuric chloride |