InChI=1/C16H22N2O3/c1-9-4-6-13(10(2)8-9)18-15(19)14-7-5-12(16(20)21)11(3)17-14/h5,7,9-10,13H,4,6,8H2,1-3H3,(H,18,19)(H,20,21)/p-1/t9-,10+,13+/m1/s1/fC16H21N2O3/h18H/q-1 71E928348D52B9A1