InChI=1/C18H18Cl2N2O2/c1-3-4-11-9-12(18(23)21-10(11)2)5-8-15-22-16-13(19)6-7-14(20)17(16)24-15/h6-7,9H,3-5,8H2,1-2H3,(H,21,23)/f/h21H 355261EA09343570