InChI=1/C20H26O4/c1-19-9-10-20(22-11-12-23-20)13-16(19)7-8-17(14-19)24-18(21)15-5-3-2-4-6-15/h2-6,16-17H,7-14H2,1H3/t16-,17+,19-/m0/s1 15A65157C4620FA8