InChI=1/C27H27NO4/c1-18-5-7-19(8-6-18)16-28(2)17-20-9-11-21(12-10-20)23-13-22-14-25(30-3)26(31-4)15-24(22)32-27(23)29/h5-15H,16-17H2,1-4H3/p+1/fC27H28NO4/h28H/q+1 349BA201F5E5882D