InChI=1/C11H13N5O3/c1-14-4-6-15(7-5-14)8-2-3-9(16(17)18)11-10(8)12-19-13-11/h2-3H,4-7H2,1H3/p+1/fC11H14N5O3/h14H/q+1 B5B853FA6D88C5B1