InChI=1/C11H12ClN3O4/c1-6(10(16)13-2)14-11(17)8-5-7(15(18)19)3-4-9(8)12/h3-6H,1-2H3,(H,13,16)(H,14,17)/t6-/m0/s1/f/h13-14H A4BD2E97354C195B