InChI=1/C21H38N2O2/c1-21(2,3)18-9-7-17(8-10-18)20(24)23-12-5-11-22(13-14-23)16-19-6-4-15-25-19/h17-19H,4-16H2,1-3H3/p+1/t17?,18?,19-/m0/s1/fC21H39N2O2/h22H/q+1 CF5485421AFBF9AE