InChI=1/C33H31NO4/c1-32(2,27-11-7-4-8-12-27)22-33(37,20-23-13-15-25(16-14-23)24-9-5-3-6-10-24)31(36)34-28-17-18-29-26(19-28)21-38-30(29)35/h3-19,37H,20-22H2,1-2H3,(H,34,36)/t33-/m1/s1/f/h34H CA0DBEE501FE7D30