InChI=1/C11H14N4O4/c16-3-11(9(18)6(17)2-15-11)5-1-12-8-7(5)13-4-14-10(8)19/h1,4,6,9,12,15-18H,2-3H2,(H,13,14,19)/t6-,9+,11+/m0/s1/f/h14H CFEB6453DCFB2C23