InChI=1S/C19H24O6/c1-8-5-18-6-9(8)3-4-11(18)19-13(12(18)15(22)23)17(2,16(24)25-19)7-10(20)14(19)21/h9-14,20-21H,1,3-7H2,2H3,(H,22,23)