InChI=1/C31H21NO6/c1-19-29(25-15-22(10-12-26(25)36-19)35-18-20-6-3-2-4-7-20)31(34)37-23-9-11-24-27(16-23)38-28(30(24)33)14-21-8-5-13-32-17-21/h2-17H,18H2,1H3/b28-14-	9687ED32D2E33CFA