InChI=1/C17H22N4O3/c1-10(16-11(2)20-21(4)12(16)3)18-17(22)19-13-5-6-14-15(9-13)24-8-7-23-14/h5-6,9-10H,7-8H2,1-4H3,(H2,18,19,22)/t10-/m1/s1/f/h18-19H 139A7658314A3004