InChI=1/C17H20N4O3/c1-10(5-6-11-9-20-17(19)21-16(11)18)12-7-13(22-2)15(24-4)14(8-12)23-3/h7-10H,1-4H3,(H4,18,19,20,21)/t10-/m0/s1/f/h18-19H2 8757B8E0F3DF2992