InChI=1S/C29H33N3O4/c1-3-20(2)26-29(36)32(24(27(34)30-26)19-22-13-8-5-9-14-22)28(35)23-15-10-18-31(23)25(33)17-16-21-11-6-4-7-12-21/h4-9,11-14,16-17,20,23-24,26H,3,10,15,18-19H2,1-2H3,(H,30,34)/b17-16+/t20-,23-,24+,26-/m0/s1