InChI=1S/C24H21NO5/c1-3-30-24(29)20-15(2)25-22(17-7-5-4-6-8-17)21(23(27)28)19(20)14-11-16-9-12-18(26)13-10-16/h4-10,12-13,19,25-26H,3H2,1-2H3,(H,27,28)