InChI=1/C31H31N3O3/c1-18(2)19-9-11-20(12-10-19)30-29-25(33-31-32-24-7-5-6-8-26(24)34(30)31)15-21(16-27(29)35)23-14-13-22(36-3)17-28(23)37-4/h5-14,17-18,21,30H,15-16H2,1-4H3,(H,32,33)/p+1/t21-,30-/m1/s1/fC31H32N3O3/h32-33H/q+1 3DC83A899AEB2F6D