InChI=1S/C23H30O5/c1-13(10-15(3)20-16(4)18(25-8)11-19(24)26-20)9-14(2)12-22(6)21-23(7,28-21)17(5)27-22/h9-12,17,21H,1-8H3/b13-9+,14-12+,15-10+/t17-,21+,22+,23-/m1/s1