InChI=1/C19H19ClN2O5/c1-12-10-21(11-13(2)26-12)19(23)14-3-6-16(7-4-14)27-18-8-5-15(20)9-17(18)22(24)25/h3-9,12-13H,10-11H2,1-2H3/t12-,13-/m0/s1 519D7BBE4CD22CB9