InChI=1/C18H19NO3/c1-19-6-5-11-7-12(20)9-13-16(11)14(19)8-10-3-4-15(22-2)18(21)17(10)13/h3-4,7,9,14,20-21H,5-6,8H2,1-2H3/p+1/t14-/m1/s1/fC18H20NO3/h19H/q+1 DF1B99BA7ABB9627