InChI=1/C21H28N4O3/c1-3-24(4-2)16-17-8-5-6-9-20(17)23-21(26)10-7-15-22-18-11-13-19(14-12-18)25(27)28/h5-6,8-9,11-14,22H,3-4,7,10,15-16H2,1-2H3,(H,23,26)/p+1/fC21H29N4O3/h23-24H/q+1 A52781251C7E1B48