InChI=1/C16H15NO3/c1-10-5-7-11(8-6-10)16(20)13-4-2-3-12(15(13)17)9-14(18)19/h2-8H,9,17H2,1H3,(H,18,19)/p-1/fC16H14NO3/q-1 765902B6167B3C4E