InChI=1/C17H19NO3/c19-17-14(7-10-16(17)13-3-1-2-4-13)11-12-5-8-15(9-6-12)18(20)21/h5-6,8-9,11,13,16H,1-4,7,10H2/b14-11+/t16-/m1/s1 B66DC4D49633CAFD