InChI=1S/C30H28O14/c31-10-16-15-5-12(20-9-18(34)22-17(33)7-13(32)8-21(22)42-20)6-19(35)27(15)43-26(16)11-2-1-3-14(4-11)41-30-25(38)23(36)24(37)28(44-30)29(39)40/h1-8,16,20,23-26,28,30-33,35-38H,9-10H2,(H,39,40)