InChI=1S/C31H23NO10/c1-3-4-5-6-14-10-13-9-12-7-8-31(22(12)26(37)17(13)30(41)32-14)28(39)21-20(27(38)29(31)40)24(35)18-15(33)11-16(42-2)23(34)19(18)25(21)36/h3-6,9-11,33-37H,7-8H2,1-2H3,(H,32,41)/b4-3+,6-5+/t31-/m1/s1