methyl 4-methyl-3-oxo-1,4-benzoxazine-7-carboxylate

4-碘-3-甲氧基苯甲酸甲酯

3-methoxy-4-[(2-methylpropan-2-yl)oxycarbonylamino]benzoic acid

2-氧代-2,3-二氢-1,3-苯并噁唑-6-羧酸甲酯

2-巯基苯并恶唑-6-甲酸甲酯