InChI=1/C21H23NO/c1-17(15-18-9-5-3-6-10-18)22(2)16-20-13-14-21(23-20)19-11-7-4-8-12-19/h3-14,17H,15-16H2,1-2H3/t17-/m0/s1 8A35AD7BDE64557E