InChI=1/C14H13ClN2O5/c1-6-8-4-3-5-9(15)11(8)22-10(6)13(19)21-7(2)12(18)17-14(16)20/h3-5,7H,1-2H3,(H3,16,17,18,20)/t7-/m1/s1/f/h17H,16H2 E2BD3DF4A29F7728