InChI=1/C28H28N2O3/c1-3-33-16(2)17-9-10-23-20(13-17)25-22-15-29-28(32)26(22)24-19-8-5-4-7-18(19)14-21(24)27(25)30(23)11-6-12-31/h4-5,7-10,13,16,31H,3,6,11-12,14-15H2,1-2H3,(H,29,32)/t16-/m0/s1/f/h29H 4B80BC4758BD4A8E