InChI=1S/C37H52O4/c1-32(2)18-20-37(31(40)41-25-10-8-24(23-38)9-11-25)21-19-35(6)26(27(37)22-32)12-13-29-34(5)16-15-30(39)33(3,4)28(34)14-17-36(29,35)7/h8-12,23,27-30,39H,13-22H2,1-7H3/t27-,28-,29+,30-,34-,35+,36+,37-/m0/s1