InChI=1/C27H28N2O3/c1-2-31-27(30)25-24(29-32-19-20-12-6-3-7-13-20)18-23(21-14-8-4-9-15-21)28-26(25)22-16-10-5-11-17-22/h3-17,23,26,28-29H,2,18-19H2,1H3/t23-,26+/m0/s1 345BC650FB27BA30