InChI=1/C16H17BrN4O4/c1-6-11-12(7-4-8(17)10(24-3)5-9(7)23-2)13(14(18)22)15(19)25-16(11)21-20-6/h4-5,12H,19H2,1-3H3,(H2,18,22)(H,20,21)/t12-/m1/s1/f/h21H,18H2	51DB461525A95B91