InChI=1S/C22H32O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18-16-17-19(23)21(24)20(18)22(25)26/h4-5,7-8,16-17,23-24H,2-3,6,9-15H2,1H3,(H,25,26)/b5-4-,8-7-