InChI=1/C21H28N4O3/c1-4-11-24(12-10-16-8-6-5-7-9-16)14-17(26)18-19(22)25(13-15(2)3)21(28)23-20(18)27/h4-9,15H,1,10-14,22H2,2-3H3,(H,23,27,28)/p+1/fC21H29N4O3/h23-24H/q+1 672D3510CE373937