InChI=1S/C22H32O4/c1-2-19(23)16-12-10-8-6-4-3-5-7-9-11-14-18-15-13-17-20(24)21(18)22(25)26/h6,8,12-13,15-17,19,23-24H,2-5,7,9-11,14H2,1H3,(H,25,26)/b8-6-,16-12-