InChI=1S/C22H30O4/c1-5-6-7-8-14-12-17(23)19-15-11-13(2)9-10-16(15)22(3,4)26-20(19)18(14)21(24)25/h11-12,15-16,23H,5-10H2,1-4H3,(H,24,25)/t15-,16+/m0/s1