InChI=1S/C19H30O4/c1-12-11-14(22-13(2)20)16-17(3,4)8-6-9-18(16,5)19(12)10-7-15(21)23-19/h12,14,16H,6-11H2,1-5H3/t12-,14-,16+,18+,19-/m0/s1