InChI=1/C28H31N3O5/c1-31(18-21-8-12-22(13-9-21)28(34)36-3)19-26(32)30-25-7-5-4-6-24(25)27(33)29-17-16-20-10-14-23(35-2)15-11-20/h4-15H,16-19H2,1-3H3,(H,29,33)(H,30,32)/p+1/fC28H32N3O5/h29-31H/q+1 52A87AFDE7F1665F