InChI=1/C14H17ClN2O4/c15-12-8-11(17(18)19)3-4-13(12)16-5-1-2-10(9-16)14-20-6-7-21-14/h3-4,8,10,14H,1-2,5-7,9H2/t10-/m1/s1 B9A988A1EE5CBBE8