InChI=1/C18H28N4O4/c1-6-13(3)17(18(25)26-5)21-16(24)11-22(4)10-15(23)20-14-9-12(2)7-8-19-14/h7-9,13,17H,6,10-11H2,1-5H3,(H,21,24)(H,19,20,23)/p+1/t13-,17-/m0/s1/fC18H29N4O4/h20-22H/q+1 26C3C72CDFBA7CCF