InChI=1/C13H9ClN2O5/c1-16-12(18)7(11(17)15-13(16)19)2-6-3-9-10(4-8(6)14)21-5-20-9/h2-4H,5H2,1H3,(H,15,17,19)/b7-2+/f/h15H	6ED7BBD58B61798C