InChI=1/C16H19NO2/c1-3-15(16-9-8-14(19)10-17-16)11(2)12-4-6-13(18)7-5-12/h4-11,15,18-19H,3H2,1-2H3/t11-,15+/m1/s1 367EC15CC3AC2C1C