(+-)-Uanic acid 1,3(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl- 1,3-(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl- 11024-93-4 125-46-2 17669-01-1 2,6-Diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione 21987-06-4 596-41-8 AI3-50457 BRN 1299865 CCRIS 5518 EINECS 204-740-7 HSDB 7170 NSC 8517 USNIC ACID Usnein Usniacin Usninic acid Usninsaeure [German] Usno