InChI=1/C20H25NO2/c1-22-18-7-4-8-19(14-18)23-20(11-12-21)17-10-9-15-5-2-3-6-16(15)13-17/h4,7-10,13-14,20H,2-3,5-6,11-12,21H2,1H3/p+1/t20-/m0/s1/fC20H26NO2/h21H/q+1 9AEEEC4A22EC6940