(Z,Z)-1-(4-Bromophenyl)-3,4-dihydroxy-6-phenyl-2,4-hexadiene-1,6-dione 139266-57-2 2,4-Hexadiene-1,6-dione, 1-(4-bromophenyl)-3,4-dihydroxy-6-phenyl-, (Z,Z)- BRN 5442423