Synonyms
1,3-(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-; 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione; Usnein; Usniacin; Usninic acid; Usninsaeure [German]; Usno; [ChemIDplus]
Sources/Uses
Antibacterial compound present in lichens; [Merck Index] Used as preservative and antibiotic (folk remedy); [HSDB] Used as a topical antibiotic; Workers exposed to lichens (forestry and horticulture) may develop allergic contact dermatitis. [Kanerva, p. 1845]