InChI=1/C27H27NO4/c1-18-6-5-7-20(12-18)17-28(2)16-19-8-10-21(11-9-19)23-13-22-14-25(30-3)26(31-4)15-24(22)32-27(23)29/h5-15H,16-17H2,1-4H3 E58E6E1CFAAE6A46