InChI=1/C21H28N4O3/c1-5-16-14(4)24-21(28)20(25-19(27)11-23-18(26)10-22)17(16)9-15-7-12(2)6-13(3)8-15/h6-8H,5,9-11,22H2,1-4H3,(H,23,26)(H,24,28)(H,25,27)/p+1/fC21H29N4O3/h22-25H/q+1 73178CD9AF3C8D25