InChI=1/C18H24N4O4/c1-3-22(4-2)11-7-10-20-17(24)18(25)21-14-12-8-5-6-9-13(12)26-15(14)16(19)23/h5-6,8-9H,3-4,7,10-11H2,1-2H3,(H2,19,23)(H,20,24)(H,21,25)/p+1/fC18H25N4O4/h20-22H,19H2/q+1 CBADE0481643F1B0