InChI=1/C19H20Cl2N2O2/c1-3-22-11-23(4-2)19(15-8-6-13(25)10-17(15)21)18(22)14-7-5-12(24)9-16(14)20/h5-11,18-19H,3-4H2,1-2H3,(H-,24,25)/p+1/t18-,19+/fC19H21Cl2N2O2/h24-25H/q+1 7E53E331FFE4E26A