InChI=1S/C31H28O14/c1-41-22-9-15(8-20(35)26(22)37)30-23(12-18-19(34)10-17(33)11-21(18)43-30)44-31-29(40)28(39)27(38)24(45-31)13-42-25(36)7-4-14-2-5-16(32)6-3-14/h2-12,24,27-29,31,38-40H,13H2,1H3,(H4-,32,33,34,35,36,37)/p+1/t24-,27-,28+,29-,31?/m1/s1