InChI=1/C20H26N2O3/c1-4-22(5-2)18-9-7-15(19(24)12-18)13-21-17-8-10-20(25-6-3)16(11-17)14-23/h7-13,23-24H,4-6,14H2,1-3H3 718F812F3C227C5C