Usnic acid

C₁₈H₁₆O₇

Lage, Tiago C. A.Maciel, Thamilla Maria S.Mota, Yane C. C.Sisto, FrancescaSabino, José R.Santos, Josué C. C.Figueiredo, Isis M.Masia, Carlade Fátima, ÂngeloFernandes, Sergio A.Modolo, Luzia V.

New Journal of Chemistry (2018) 42, 7 5356

a=8.0077(3)Å   b=18.8247(6)Å   c=20.1978(7)Å

α=90°   β=90°   γ=90°