InChI=1/C17H21NO2/c1-3-18(12-14-7-5-4-6-8-14)13-15-9-10-16(19)17(11-15)20-2/h4-11,19H,3,12-13H2,1-2H3/p+1/fC17H22NO2/h18H/q+1 EAEFB36C07D9BF54