InChI=1/C15H18N4O5/c1-22-10-4-8(3-9-6-18-15(17)19-14(9)16)5-11(13(10)23-2)24-7-12(20)21/h4-6H,3,7H2,1-2H3,(H,20,21)(H4,16,17,18,19)/p-1/fC15H17N4O5/h16-17H2/q-1 267EC1F4E22FB8FC