InChI=1/C18H23NO2/c1-3-12-7-5-8-13-14-9-6-10-18(4-2,11-15(20)21)17(14)19-16(12)13/h5,7-8,19H,3-4,6,9-11H2,1-2H3,(H,20,21)/p-1/t18-/m0/s1/fC18H22NO2/q-1 593A49E54169C1F6