InChI=1S/C31H24O11/c1-12-7-15-22(16(32)8-12)26(37)24-25(36)14-5-6-30(24,28(15)38)10-13-9-17(33)23-18(34)11-31(29(39)40-2,42-27(23)21(13)14)19-3-4-20(35)41-19/h5-9,14,19,32-33,37H,3-4,10-11H2,1-2H3