InChI=1/C21H21N5O2/c1-11-16-8-14(27-3)4-5-17(16)24-19(11)21-25-20(26-28-21)18-12(2)23-10-13-9-22-7-6-15(13)18/h4-5,8,10,22,24H,6-7,9H2,1-3H3/p+1/fC21H22N5O2/h22H/q+1 9B9F1AE972B8FCE1