InChI=1S/C31H33ClN2O3/c1-20(2)28(34(17-7-16-33)31(36)23-12-10-21(3)11-13-23)30-26(18-22-8-5-4-6-9-22)29(35)25-15-14-24(32)19-27(25)37-30/h4-6,8-15,19-20,28H,7,16-18,33H2,1-3H3/t28-/m1/s1