InChI=1/C19H20Cl2N2O/c1-11-17(23-24)12(2)19(14-5-9-16(21)10-6-14)22-18(11)13-3-7-15(20)8-4-13/h3-12,18-19,22,24H,1-2H3/t11-,12-,18-,19+/m0/s1 5F415E06B0F52E63