InChI=1/C16H22N4O4/c1-11-13(3-2-4-14(11)20(23)24)18-15(21)7-10-19-8-5-12(6-9-19)16(17)22/h2-4,12H,5-10H2,1H3,(H2,17,22)(H,18,21)/p+1/fC16H23N4O4/h18-19H,17H2/q+1 18FC0B41936BD092