InChI=1/C31H31ClN2O4/c1-4-5-20-33-30(35)29(28-22-13-7-6-12-21(22)18-19-27(28)38-3)34(25-16-10-9-15-24(25)32)31(36)23-14-8-11-17-26(23)37-2/h6-19,29H,4-5,20H2,1-3H3,(H,33,35)/t29-/m0/s1/f/h33H 8171274CB9EF4688