 |
heterocyclic | hydrocarbons
| hydrocarbon | |
| econ. | kulbrinte |
| environ. | carbonhydrid; carbonhydrid |
| hydrocarbons | |
| chem. | carbonhydrider |
|
heterocyclic : 13 phrases in 3 subjects |
| Chemistry | 8 |
| Environment | 2 |
| Pharmacy and pharmacology | 3 |