InChI=1/C18H21NO2/c1-2-9-19-12-15(13-3-6-16(20)7-4-13)10-14-5-8-17(21)11-18(14)19/h3-8,11,15,20-21H,2,9-10,12H2,1H3/t15-/m0/s1 AB00B310EC574FD3