InChI=1S/C22H32O4/c1-14-6-7-18-20(2,3)8-5-9-21(18,4)16(14)11-22(26)12-17(24)15(13-23)10-19(22)25/h10,16,18,23,26H,1,5-9,11-13H2,2-4H3/t16-,18-,21+,22+/m0/s1