InChI=1/C19H17ClN2O3/c1-11-8-9-13(12(2)10-11)21-17-16(20)18(23)22(19(17)24)14-6-4-5-7-15(14)25-3/h4-10,21H,1-3H3 1C3A07203F5E04F4