InChI=1S/C23H30O5/c1-6-7-11-21(27-17(4)24)20-14-26-23(28-18(5)25)22-16(3)10-8-9-15(2)12-13-19(20)22/h7,9,14,19,21-23H,1,3,8,10-13H2,2,4-5H3/b15-9+/t19-,21+,22+,23-/m1/s1