InChI=1S/C22H28O3/c1-13(25-4)20-19(24)12-18-16-6-5-14-11-15(23)7-9-21(14,2)17(16)8-10-22(18,20)3/h7,9,11,16-18H,5-6,8,10,12H2,1-4H3/b20-13-/t16-,17+,18+,21+,22+/m1/s1