InChI=1/C32H38N4O4/c1-5-35(6-2)19-12-20-36-29-22-25(34-32(38)40-8-4)16-18-27(29)26-17-15-24(33-31(37)39-7-3)21-28(26)30(36)23-13-10-9-11-14-23/h9-11,13-18,21-22H,5-8,12,19-20H2,1-4H3,(H,33,37)/p+2/b34-25-/fC32H40N4O4/h33-35H/q+2/b 3121C18AB4D958A6