InChI=1/C20H26N2O3/c23-17-14-3-1-2-4-15(14)21-18(24)16(17)19(25)22-20-8-11-5-12(9-20)7-13(6-11)10-20/h11-13H,1-10H2,(H,22,25)(H2,21,23,24)/p-1/fC20H25N2O3/h21-22H/q-1 7E0DB850FE0B4ABC