InChI=1S/C20H32O4/c1-12(10-17(21)22)6-8-19(4)13(2)7-9-20(5)14(3)15(18(23)24)11-16(19)20/h12-13,16H,6-11H2,1-5H3,(H,21,22)(H,23,24)/t12-,13-,16-,19+,20+/m1/s1