InChI=1/C11H15N5O4/c1-19-2-5-7(17)8(18)11(20-5)16-4-15-6-9(12)13-3-14-10(6)16/h3-5,7-8,11,17-18H,2H2,1H3,(H2,12,13,14)/t5-,7-,8-,11+/m1/s1/f/h12H2 B13C56AE50C5B89A