| 293311 | 293311 - Heterocyclic compounds; with nitrogen hetero-atom(s) only, co |
| 293319 | 293319 - Heterocyclic compounds; with nitrogen hetero-atom(s) only, co |
| 293321 | 293321 - Heterocyclic compounds; with nitrogen hetero-atom(s) only, co |
| 293329 | 293329 - Heterocyclic compounds; with nitrogen hetero-atom(s) only, co |
| 293331 | 293331 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293332 | 293332 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293333 | 293333 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293334 | 293334 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293335 | 293335 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293336 | 293336 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293337 | 293337 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293339 | 293339 - Heterocyclic compounds; containing an unfused pyridine ring ( |
| 293340 | 293340 - Compounds containing a quinoline or isoquinoline ring-system |
| 293341 | 293341 - Heterocyclic compounds; containing a quinoline or isoquinolin |
| 293349 | 293349 - Heterocyclic compounds; containing a quinoline or isoquinolin |
| 293351 | 293351 - Compounds containing a pyrimidine ring (whether or not hydrog |
| 293352 | 293352 - Heterocyclic compounds; containing a pyrimidine ring (whether |
| 293353 | 293353 - Allobarbital (INN), amobarbital (INN), barbital (INN), butalb |
| 293354 | 293354 - Heterocyclic compounds; containing a pyrimidine ring (whether |
| 293355 | 293355 - Heterocyclic compounds; containing a pyrimidine ring (whether |
| 293359 | 293359 - Heterocyclic compounds; containing a pyrimidine ring (whether |
| 293361 | 293361 - Heterocyclic compounds; containing an unfused triazine ring ( |
| 293369 | 293369 - Heterocyclic compounds; containing an unfused triazine ring ( |
| 293371 | 293371 - Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-capr |
| 293372 | 293372 - Heterocyclic compounds; lactams; clobazam (INN) and methypryl |
| 293379 | 293379 - Heterocyclic compounds; lactams; other than 6-hexanelactam (e |
| 293390 | 293390 - Other |
| 293391 | 293391 - Heterocyclic compounds; alprazolam (INN), camazepam (INN), ch |
| 293392 | 293392 - Heterocyclic compounds; azinphos-methyl (ISO) |
| 293399 | 293399 - Heterocyclic compounds; n.e.c. in headings no. 2933 |