InChI=1/C18H28N4O2/c1-13-11-14(16(23)19-2)7-8-15(13)21-17(24)20-12-18(22(3)4)9-5-6-10-18/h7-8,11H,5-6,9-10,12H2,1-4H3,(H,19,23)(H2,20,21,24)/p+1/fC18H29N4O2/h19-22H/q+1 BED0F6D394B0401D