InChI=1/C29H26O4/c1-2-3-7-22-18-23-19-24(30)13-16-26(23)29(28(22)21-8-5-4-6-9-21)33-25-14-10-20(11-15-25)12-17-27(31)32/h4-6,8-19,30H,2-3,7H2,1H3,(H,31,32)/p-1/b17-12+/fC29H25O4/q-1 70BFCFBDC87EE619