InChI=1/C18H22N2O2/c21-20(22)16-8-7-15-13-5-1-3-11(13)9-19-10-12-4-2-6-14(12)17(16)18(15)19/h7-8,11-14H,1-6,9-10H2/t11-,12+,13-,14-/m0/s1 014199410E30E3AC