InChI=1/C25H28N2O2/c1-17(2)22-11-10-18(3)16-23(22)29-19(4)25(28)27-24(20-8-6-5-7-9-20)21-12-14-26-15-13-21/h5-17,19,24H,1-4H3,(H,27,28)/t19-,24+/m0/s1/f/h27H 69BD3A86AD77F80C