InChI=1/C15H13ClN2O3/c1-8-12(15(19)20-2)13(11(7-17)14(18)21-8)9-4-3-5-10(16)6-9/h3-6,13H,18H2,1-2H3/t13-/m0/s1 FFF3E6B9D24127AB