InChI=1S/C26H34O15/c1-2-3-8-38-25(36)26(37)10-14(28)18(30)16(11-26)39-17(29)7-5-12-4-6-15(13(27)9-12)40-24-21(33)19(31)20(32)22(41-24)23(34)35/h4-7,9,14,16,18-22,24,27-28,30-33,37H,2-3,8,10-11H2,1H3,(H,34,35)/b7-5-