InChI=1/C27H30N2O4/c1-16(2)15-32-20-9-10-21-18(4)23(27(31)33-25(21)12-20)13-26(30)29-17(3)11-19-14-28-24-8-6-5-7-22(19)24/h5-10,12,17-18,23H,1,11,13-15H2,2-4H3,(H,29,30)/p+1/t17-,18+,23-/m0/s1/fC27H31N2O4/h28-29H/q+1 83C1B1F5D5B1551E