InChI=1S/C22H32O4/c1-14(25)26-19-9-18-20(2,13-24)7-4-8-21(18,3)17-6-5-15-10-22(17,19)11-16(15)12-23/h11-12,15,17-19,24H,4-10,13H2,1-3H3/t15-,17+,18+,19+,20-,21+,22-/m1/s1