InChI=1/C25H17NO5/c27-20-11-10-17-18-12-21(28)22(29)13-19(18)26(23(17)24(20)30)25(31)16-8-6-15(7-9-16)14-4-2-1-3-5-14/h1-13,27-30H 228B9380C49A39FF