InChI=1/C20H21N5O3/c1-13-2-9-18-21-16(11-25(18)10-13)12-28-17-7-3-14(4-8-17)19(26)23-24-20(27)22-15-5-6-15/h2-4,7-11,15H,5-6,12H2,1H3,(H,23,26)(H2,22,24,27)/f/h22-24H B707ADEC51FE42E5