002450: InChI=1.12Beta/C21H20Cl2N2O/c22-16-9-8-13(11-17(16)23)20-12-15(14-5-1-2-6-18(14)25-20)21(26)19-7-3-4-10-24-19/h1-2H,3-4H2,5-6H,7H2,8-9H,10H2,11-12H,19H,21H,24H,26H/t19-,21-/m0/s1