InChI=1S/C27H46O7/c1-15(25(33)34)4-3-5-16(13-28)19-6-7-20-24-21(12-23(32)26(19,20)2)27(14-29)9-8-18(30)10-17(27)11-22(24)31/h15-24,28-32H,3-14H2,1-2H3,(H,33,34)/t15?,16?,17?,18?,19?,20?,21?,22?,23?,24?,26-,27-/m1/s1