InChI=1/C18H28N4O4/c1-6-8-18(3,17(25)26-5)21-16(24)12-22(4)11-15(23)20-14-10-13(2)7-9-19-14/h7,9-10H,6,8,11-12H2,1-5H3,(H,21,24)(H,19,20,23)/p+1/t18-/m1/s1/fC18H29N4O4/h20-22H/q+1 794F312DA8BCF6DD