2-(benzylideneamino)aniline

6-(Ethoxycarbonyl)-4-oxo-4H-pyran-2-carboxylic acid

4-氧代吡喃-2,6-二羧酸二乙基酯

3-[(二异丙氧基硫磷基)硫基]丙酸乙酯

4-ethyl-2-methylaniline