InChI=1S/C18H32O5/c1-5-10(3)12-7-13(11(4)6-2)14(8-12)15(19)9-16(20)17(21)18(22)23/h8,10-13,15-17,19-21H,5-7,9H2,1-4H3,(H,22,23)