(8,8'-Bi-3H-naphtho(1,8-bc)furan)-3,3'-dione, 4,4'-dihydroxy-5,5'-diisopropyl-'-dimethyl- (8,8'-Bi-3H-naphtho(1,8-bc)furan)-3,3'-dione, 4,4'-dihydroxy-7,7'-dimethyl-5,5'-bis(1-methylethyl)- (9CI) 4,4'-Dihydroxy-5,5'-diisopropyl-7,7'-dimethylbis(3H-naphtho(1,8-bc)furan-3-one) 4-19-00-03089 (Beilstein Handbook Reference) 73728-76-4 Anhydrogossypol BRN 0375639 NSC 89310