InChI=1/C36H32O4/c1-34(27-17-7-2-8-18-27)39-32(35(37,28-19-9-3-10-20-28)29-21-11-4-12-22-29)33(40-34)36(38,30-23-13-5-14-24-30)31-25-15-6-16-26-31/h2-26,32-33,37-38H,1H3/t32-,33+,34? BBDCD09C462B95D8