InChI=1/C24H30N2O2/c1-6-12-21(23(28)25-24(3,4)5)26(20-15-8-7-9-16-20)22(27)17-19-14-11-10-13-18(19)2/h6-16,21H,17H2,1-5H3,(H,25,28)/b12-6-/t21-/m1/s1/f/h25H 0FD75B1F8211BCB5