InChI=1S/C22H32O4/c1-2-12-19-20(26-19)16-10-8-6-4-3-5-7-9-13-17-14-11-15-18(23)21(17)22(24)25/h8,10-11,14-15,19-20,23H,2-7,9,12-13,16H2,1H3,(H,24,25)/b10-8-