InChI=1/C28H25NO4/c1-20-18-25(21(2)29(20)24-16-10-5-11-17-24)26(30)19-33-27(31)28(32,22-12-6-3-7-13-22)23-14-8-4-9-15-23/h3-18,32H,19H2,1-2H3 2F550746A75635F3