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