InChI=1/C20H17Cl3N2O3/c1-12(13-7-3-2-4-8-13)24-19(20(21,22)23)25-17(26)15-11-14-9-5-6-10-16(14)28-18(15)27/h2-12,19,24H,1H3,(H,25,26)/t12-,19-/m0/s1/f/h25H 33D36F4CE557141E