InChI=1/C24H27NO2/c1-6-7-9-20-23-16(22-18(26-5)10-8-11-19(22)27-20)12-13-17-21(23)15(2)14-24(3,4)25-17/h6-8,10-14,20,25H,9H2,1-5H3/b7-6+/t20-/m0/s1 1B3B52F0D436ABC8