InChI=1/C33H32N2O3/c36-33(37)26-8-6-23(7-9-26)22-35-29-14-15-30(35)21-28(20-29)34-27-12-18-32(19-13-27)38-31-16-10-25(11-17-31)24-4-2-1-3-5-24/h1-13,16-19,28-30,34H,14-15,20-22H2,(H,36,37)/t28?,29-,30+/f/h35H 0F7F3537A64E913E