InChI=1/C21H26N6O2/c1-21(2,3)20-25-19(29-26-20)14-9-10-17(22-11-14)27-12-16(23-13-27)18(28)24-15-7-5-4-6-8-15/h9-13,15H,4-8H2,1-3H3,(H,24,28)/f/h24H 5024E562A1E765D4