InChI=1/C20H28N6O2/c1-13-7-5-9-18(22-13)24-19(27)16-8-6-10-26(12-16)20(28)23-14(2)17-11-21-25(4)15(17)3/h5,7,9,11,14,16H,6,8,10,12H2,1-4H3,(H,23,28)(H,22,24,27)/t14-,16+/m0/s1/f/h23-24H 6E6E2F1976AE2049