InChI=1/C16H19NO2/c1-13(18)4-5-14-6-8-16(9-7-14)19-12-15-3-2-10-17-11-15/h2-3,6-11,13,18H,4-5,12H2,1H3/t13-/m1/s1 7EF32A66AA9CFFA4