InChI=1/C21H25N5O2/c27-20(23-14-16-9-11-25(15-16)18-6-2-1-3-7-18)24-17-5-4-8-19(13-17)26-12-10-22-21(26)28/h1-8,13,16H,9-12,14-15H2,(H,22,28)(H2,23,24,27)/t16-/m0/s1/f/h22-24H 9B5BA0999A62F7FB