3-Cyano-6-methoxy-4-oxo-1,4-dihydro-7-quinolinyl trifluoromethane sulfonate

香草酸甲酯

4-苄氧基-5-甲氧基-2-硝基苯甲酸甲酯

4-苄氧基-3-甲氧基苯甲酸甲酯

methyl 4-hydroxy-5-methoxy-2-nitrobenzoate