InChI=1/C19H28N8O/c1-4-28-15-5-6-17-16(11-15)14(2)22-19(23-17)24-18-20-12-27(13-21-18)26-9-7-25(3)8-10-26/h5-6,11H,4,7-10,12-13H2,1-3H3,(H2,20,21,22,23,24)/p+1/fC19H29N8O/h20,24-25H/q+1 984EE2FDD8326C86