InChI=1S/C33H33N3O6/c1-22(38)34-30(18-24-12-15-27(19-31(39)40)28(17-24)21-37)32(41)35-29-9-5-6-16-36(33(29)42)20-23-10-13-26(14-11-23)25-7-3-2-4-8-25/h2-4,7-8,10-15,17-18,21,29H,5-6,9,16,19-20H2,1H3,(H,34,38)(H,35,41)(H,39,40)/b30-18-/t29-/m0/s1