InChI=1/C24H16O4/c25-18-10-6-16(7-11-18)24(17-8-12-19(26)13-9-17)21-14-5-15-3-1-2-4-20(15)22(21)23(27)28-24/h1-14,25-26H 5D337BDAB770E3C2