InChI=1/C18H25NO2/c1-5-16(19)18(17-10-9-13(4)20-17)21-15-8-6-7-14(11-15)12(2)3/h6-12,16,18H,5,19H2,1-4H3/p+1/t16-,18+/m1/s1/fC18H26NO2/h19H/q+1 A2329B16FA3F2CA3