InChI=1S/C20H30O4/c1-12-14-4-8-20(24-16(14)22)15(12)5-7-18-9-13(3-6-17(18,20)2)19(23,10-18)11-21/h12-15,21,23H,3-11H2,1-2H3/t12-,13?,14?,15+,17+,18-,19-,20-/m0/s1