InChI=1S/C28H31ClN2O2/c1-30-26(32)28(23-8-4-2-5-9-23,24-10-6-3-7-11-24)18-21-31-19-16-27(33,17-20-31)22-12-14-25(29)15-13-22/h2-15,33H,16-21H2,1H3,(H,30,32)