InChI=1S/C33H49NO7/c1-18(4-11-29(39)34-26(31(40)41)14-19-5-7-21(35)8-6-19)23-9-10-24-30-25(17-28(38)33(23,24)3)32(2)13-12-22(36)15-20(32)16-27(30)37/h5-8,18,20,22-28,30,35-38H,4,9-17H2,1-3H3,(H,34,39)(H,40,41)/t18-,20?,22-,23?,24?,25?,26?,27-,28-,30?,32+,33-/m1/s1