Refers to a molecule that contains a cyclic structure that is fused to another cyclic structure at a single point.
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ethyl 2-((2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yl)(4-methoxyphenyl)methyl)-3-oxobutanoate
3-methylene-1-(toluene-4-sulfonyl)-piperidin-2-one
2-(2-bromobenzyl)-5-methoxyindan-1-one
1-(3-bromoprop-1-yn-1-yl)-3-fluorobenzene
1-(3-bromoprop-1-yn-1-yl)-2-fluorobenzene
(S)-2,2-dimethyl-3-((2,4,6-triisopropylphenyl)sulfonyl)-1,3-oxazolidine-4-carbaldehyde