InChI=1/C15H16N4O4/c1-9(19-15(23)11-3-13(21)8-17-6-11)4-18-14(22)10-2-12(20)7-16-5-10/h2-3,5-9,20-21H,4H2,1H3,(H,18,22)(H,19,23)/t9-/m1/s1/f/h20-21h,16-19H	BDF8C0A43E1AAF1D