2,6-Diacetyl-3,7,9-trihydroxy-8,9b-dimethyl-9bH-dibenzofuran-1-one (Usnic acid)

• Formula: C₁₈H₁₆O₇
• Molecular weight: 344.3154
• IUPAC Standard InChI: InChI=1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,21-23H,1-4H3 Copy

  
• IUPAC Standard InChIKey: WEYVVCKOOFYHRW-UHFFFAOYSA-N Copy
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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