InChI=1/C18H19NO3/c1-21-18(20)16-9-12-22-17(16)13-19-10-7-15(8-11-19)14-5-3-2-4-6-14/h2-7,9,12H,8,10-11,13H2,1H3/p+1/fC18H20NO3/h19H/q+1 AAAF7D65D6B3B0C5