InChI=1/C28H33NO2/c1-18-17-28(2,3)29-21-16-15-20-25-22(30-4)13-10-14-23(25)31-27(26(20)24(18)21)19-11-8-6-5-7-9-12-19/h8,10-11,13-17,19,27,29H,5-7,9,12H2,1-4H3/b11-8-/t19-,27+/m0/s1 3AFA3C4214C72D2C