InChI=1/C15H13ClN2O4/c1-7-9(15(20)21-2)6-12(22-7)13-17-11-4-3-8(16)5-10(11)14(19)18-13/h3-6,13,17H,1-2H3,(H,18,19)/t13-/m1/s1/f/h18H	B30B0BEDC833CE0D