InChI=1S/C37H52O7/c1-20(2)22-12-15-37(32(42)43)17-16-35(6)23(29(22)37)9-11-28-34(5)19-26(44-31(41)21-8-10-24(38)25(39)18-21)30(40)33(3,4)27(34)13-14-36(28,35)7/h8,10,18,22-23,26-30,38-40H,1,9,11-17,19H2,2-7H3,(H,42,43)