InChI=1/C20H18O8/c21-15-5-1-13(11-17(15)23)3-7-19(25)27-9-10-28-20(26)8-4-14-2-6-16(22)18(24)12-14/h1-8,11-12,21-24H,9-10H2/b7-3+,8-4+	0535C693D155BC26