InChI=1S/C36H28O16/c37-15-11-18-21(22-20-17(12-16(38)23(39)24(20)40)51-36(52-18,33(22)45)14-9-5-2-6-10-14)30-19(15)25(41)31(29(48-30)13-7-3-1-4-8-13)49-35-28(44)26(42)27(43)32(50-35)34(46)47/h1-12,22,26-28,32-33,35,37-40,42-45H,(H,46,47)/t22?,26?,27?,28?,32?,33?,35?,36-/m1/s1