InChI=1S/C18H18ClN3O3/c19-15-8-13(16(23)9-17(15)24)18-14(10-21-22-18)11-2-4-12(5-3-11)25-7-1-6-20/h2-5,8-10,23-24H,1,6-7,20H2,(H,21,22)