Share | Phrase |
36.40% | heterocyclic [physical/chemical] compound |
26.99% | heterocyclic [physical/chemical] amine |
19.24% | heterocyclic [physical/chemical] group |
12.05% | heterocyclic [physical/chemical] monomer |
3.05% | heterocyclic [physical/chemical] structure |
2.24% | heterocyclic [physical/chemical] ring |