InChI=1/C27H30N2O2/c1-4-25(30)27-24(15-20(16-26(27)31)19-8-6-5-7-9-19)28-13-12-21-18(3)29-23-11-10-17(2)14-22(21)23/h5-11,14,20,27,29H,4,12-13,15-16H2,1-3H3/t20-,27+/m1/s1 71BD618B31182997