InChI=1/C17H17NO3/c1-10-6-7-13(11(2)8-10)17(21)14-5-3-4-12(16(14)18)9-15(19)20/h3-8H,9,18H2,1-2H3,(H,19,20)/p-1/fC17H16NO3/q-1 F10023311223E6F0