InChI=1/C18H28N4O4/c1-25-11-9-22-8-6-14(13-22)12-20-18(24)21-15-4-2-3-5-16(15)26-10-7-17(19)23/h2-5,14H,6-13H2,1H3,(H2,19,23)(H2,20,21,24)/p+1/t14-/m0/s1/fC18H29N4O4/h20-22H,19H2/q+1 5BCF8B35DF1B4750