InChI=1/C26H25NO4/c1-27(16-18-7-5-4-6-8-18)17-19-9-11-20(12-10-19)22-13-21-14-24(29-2)25(30-3)15-23(21)31-26(22)28/h4-15H,16-17H2,1-3H3/p+1/fC26H26NO4/h27H/q+1 E026D34E7D6D47C5