InChI=1/C16H21N3O3/c1-4-5-6-7-19-10(2)8-12(9-11(19)3)13-14(20)17-16(22)18-15(13)21/h8-9H,4-7H2,1-3H3,(H2,17,18,20,21,22)/p-1/fC16H20N3O3/h17H/q-1 B5890EED901CF742