InChI=1S/C22H32O4/c1-4-19(24)26-22(25)12-9-18-16-6-5-14-13-15(23)7-10-20(14,2)17(16)8-11-21(18,22)3/h13,16-18,25H,4-12H2,1-3H3/t16-,17+,18+,20+,21+,22+/m1/s1