InChI=1/C18H25NO2/c1-13(17(20)12-19-18(2,3)4)21-16-10-9-14-7-5-6-8-15(14)11-16/h5-11,13,17,19-20H,12H2,1-4H3/p+1/t13-,17-/m0/s1/fC18H26NO2/h19H/q+1 53ED931973EB5DC8