InChI=1S/C19H24O3/c1-15(11-7-13-17(3)19(21)22)9-5-6-10-16(2)12-8-14-18(4)20/h5-14,20H,1-4H3,(H,21,22)/b6-5+,11-7+,12-8-,15-9+,16-10+,17-13-,18-14+