InChI=1/C16H19N3O2/c1-9-11(16(20)21-2)8-12-14(17)10-6-4-3-5-7-13(10)19-15(12)18-9/h8H,3-7H2,1-2H3,(H2,17,18,19)/f/h17H2	25615587438927A4