InChI=1/C13H14ClN3O4/c14-8-4-5-9(11(7-8)17(20)21)12(18)16-10-3-1-2-6-15-13(10)19/h4-5,7,10H,1-3,6H2,(H,15,19)(H,16,18)/t10-/m1/s1/f/h15-16H 7DBC54F50474D6F2