You can also go to the other sides:
1) inhibidores de la colinesterasa
1. -- > entidad
2. ---- > objeto_físico
3. ------ > inanimado
4. -------- > material
5. ---------- > sustancia
6. ------------ > fármaco
7. -------------- > inhibidor
8. ---------------- > inhibidores
9. ------------------ > inhibidores de la colinesterasa