InChI=1S/C15H12O7/c16-8-5-11(19)14(12(20)6-8)15(22)13(21)4-7-1-2-9(17)10(18)3-7/h1-6,16-21H/b13-4- (Z)-3-[3,4-bis(oxidanyl)phenyl]-2-oxidanyl-1-[2,4,6-tris(oxidanyl)phenyl]prop-2-en-1-one Oc1cc(O)c(c(O)c1)C(=O)/C(O)=C/c2ccc(O)c(O)c2 Oc1cc(O)c(c(O)c1)C(=O)C(O)=Cc2ccc(O)c(O)c2