InChI=1/C21H28N4O3/c1-13(2)18(20-23-19(24-28-20)16-9-10-16)22-21(26)25-11-14(3)27-17(12-25)15-7-5-4-6-8-15/h4-8,13-14,16-18H,9-12H2,1-3H3,(H,22,26)/t14-,17+,18-/m1/s1/f/h22H 2A12D0E02C0E37AA