InChI=1S/C24H24O14/c25-12-7-10(3-6-17(27)28)1-4-14(12)36-16(22(32)33)9-11-2-5-15(13(26)8-11)37-24-20(31)18(29)19(30)21(38-24)23(34)35/h1-8,16,18-21,24-26,29-31H,9H2,(H,27,28)(H,32,33)(H,34,35)/b6-3+