InChI=1/C20H26O5/c1-12-6-14(21)9-15(7-12)25-16-8-13(2)17(18(22)10-16)11-19(23)20(3,4)24-5/h6-10,19,21-23H,11H2,1-5H3/t19-/m0/s1 DBE4F9181C561DB9