4-(4-溴苯氧基)四氢-2H-吡喃

4-(4-甲酰基苯氧基)哌啶-1-羧酸叔丁酯

肼二羧酸二乙酯

2-(2-ethoxycarbonylphenyl)pyridine

diethyl 1-hydroxy-1-phenyl-1,2,3,4-tetrahydrophthalazine-2,3-dicarboxylate