A Novel Function of an Atropisomeric Flavin Model as a Host Compound

2-[10-(4-tert-Butylphenyl)-2,4(3H,10H)-dioxopyrimido[4,5-b]quinolin-3-yl]benzoic acid methanol solvate forms a crystalline 1:1 host-guest inclusion complex with methanol, C₂₈H₂₃N₃O₄.CH₃OH, through a hydrogen-bonding network.

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