InChI=1/C11H9N5O5/c1-15-10(19)12-7-4-5(16(20)21)2-3-6(7)11(15)8(17)13-9(18)14-11/h2-4H,1H3,(H,12,19)(H2,13,14,17,18)/t11-/m1/s1/f/h12-14H	FEFF243EDD6BB1B7