InChI=1/C21H28N4/c1-4-12-24(13-5-2)15-19-21(17-9-7-10-18(22)14-17)23-20-11-6-8-16(3)25(19)20/h6-11,14H,4-5,12-13,15,22H2,1-3H3/p+1/fC21H29N4/h24H/q+1 DA144C9EEC4801A3