InChI=1S/C27H28O12/c1-36-20-11-14(5-9-18(20)30)3-7-16(28)13-17(29)8-4-15-6-10-19(21(12-15)37-2)38-27-24(33)22(31)23(32)25(39-27)26(34)35/h3-12,22-25,27,30-33H,13H2,1-2H3,(H,34,35)/b7-3+,8-4+/t22-,23-,24+,25-,27+/m0/s1