InChI=1/C20H22N6O/c1-24(17-8-3-2-4-9-17)20(27)16-7-5-13-25(15-16)18-10-11-19(23-22-18)26-14-6-12-21-26/h2-4,6,8-12,14,16H,5,7,13,15H2,1H3/t16-/m1/s1 511FD6651D609A10