InChI=1/C18H28N4O2/c1-13-14(16(19)23)8-7-9-15(13)21-17(24)20-12-18(22(2)3)10-5-4-6-11-18/h7-9H,4-6,10-12H2,1-3H3,(H2,19,23)(H2,20,21,24)/p+1/fC18H29N4O2/h20-22H,19H2/q+1 F84D2B886014B9EE