InChI=1/C21H28N4/c1-4-10-24(11-5-2)15-19-21(17-7-6-8-18(22)14-17)23-20-13-16(3)9-12-25(19)20/h6-9,12-14H,4-5,10-11,15,22H2,1-3H3/p+1/fC21H29N4/h24H/q+1 E8D349514A79D5B1