InChI=1/C20H23N5O3/c1-12(14-5-6-17-18(9-14)28-8-4-7-27-17)22-20(26)23-15-10-16-13(2)24-25(3)19(16)21-11-15/h5-6,9-12H,4,7-8H2,1-3H3,(H2,22,23,26)/t12-/m1/s1/f/h22-23H 3C624C6B6BDCCD2B