InChI=1/C21H16Cl2N2O2/c22-16-3-1-13(2-4-16)20(14-7-9-24-10-8-14)25-21(26)19-12-15-11-17(23)5-6-18(15)27-19/h1-11,19-20H,12H2,(H,25,26)/t19-,20+/m0/s1/f/h25H 09F988098069C3D3