InChI=1/C21H27N5O2/c1-15-3-2-4-16(11-15)12-18(27)22-13-19(28)26-9-6-21(7-10-26)20-17(5-8-25-21)23-14-24-20/h2-4,11,14,25H,5-10,12-13H2,1H3,(H,22,27)(H,23,24)/p+1/fC21H28N5O2/h22-24H/q+1 FD8310E168CE548F