2,4-Pentanedione, 3-(2,5-dihydroxy-3,4,6-trimethylphenyl)- 3-(2,5-Dihydroxy-3,4,6-trimethylphenyl)-2,4-pentanedione 4-08-00-02824 (Beilstein Handbook Reference) 69466-12-2 BRN 2132918