InChI=1S/C19H21Cl2NO3/c1-11(2)14-6-12(4-5-18(14)23)7-15-16(20)8-13(9-17(15)21)25-10-19(24)22-3/h4-6,8-9,11,23H,7,10H2,1-3H3,(H,22,24)