(4,4'-Bi-1,3-benzodioxole)-5,5'-dicarboxylic acid, 7-hydroxy-7'-methoxy-, (Z,E,E,E,E)- 4-Demethyl-bdd 4-Dmbdd 7-Demethyl-bdd 7-Hydroxy-7'-methoxy-4,4'-bis(1,3-benzodioxole)-5,5'-dicarboxylic acid dimethyl ester 91828-88-5 Dimethyl 4-hydroxy-4'-methoxy-5,6,5',6'-bismethylenedioxybiphenyl-2,2'-dicarboxylate Dimethyl-4-hydroxy-4'-methoxy-5,6,5',6'-dimethylenedioxybiphenyl-2,2'-dicarboxylate Mono-O-demethylated bdd