Topic
| Code | 20000222 |
|---|---|
| Name | organic chemical |
| Description | The branch of chemistry dealing with human, animal or carbon-based substances |
| Lft | 136 |
| Lvl | 3 |
| Rgt | 137 |
| Code | 20000222 |
|---|---|
| Name | organic chemical |
| Description | The branch of chemistry dealing with human, animal or carbon-based substances |
| Lft | 136 |
| Lvl | 3 |
| Rgt | 137 |