methyl 4-methyl-3-(propan-2-ylcarbamoylamino)benzoate 、
sodium hydroxide 以to give the title compound as a colourless solid, 1H NMR (300.073 MHz, d6-DMSO) δ 1.11 (6H, d), 2.21 (3H, s), 3.66-3.84 (1H, m), 6.50 (1H, d), 7.20 (1H, d), 7.42 (1H, d), 7.59 (1H, s), 8.52 (1H, s), 12.56 (1H, s), m/z (ESI+)的产率得到4-methyl-3-(propan-2-ylcarbamoylamino)benzoic acid