InChI=1/C16H17NO4/c1-9-7-12(5-6-13(9)21-4)17-11(3)15(16(19)20)10(2)8-14(17)18/h5-8H,1-4H3,(H,19,20)/p-1/fC16H16NO4/q-1	59CC87D4B897473E