Refers to a chemical compound that contains two fused rings in its structure.
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N-(4-cyanophenyl)-2-pyridinecarboxamide
1-(hydroxymethyl)-5-oxo-L-proline
2-(2-decylsulfanyl-4-phenyl-imidazol-1-yl)-1-phenyl-ethanone
7-Azabicyclo[2.2.1]heptane, 7-benzoyl-