InChI=1/C15H20ClN3O4/c1-19-6-3-9-10(7-19)12(21-2)14-13(22-8-23-14)11(9)18-15(20)17-5-4-16/h3-8H2,1-2H3,(H2,17,18,20)/p+1/fC15H21ClN3O4/h17-19H/q+1 73EB16C84C16C13E