sent1: Chloroethane, commonly known as ethyl chloride, is a chemical compound with chemical formula CH3CH2Cl, once widely used in producing tetraethyllead, a gasoline additive. It is a colorless, flammable gas or refrigerated liquid with a faintly sweet odor.
  Ethyl chloride was first synthesized by Basil Valentine by reacting ethanol and hydrochloric acid in 1440. Glauber made it in 1648 by reacting ethanol and zinc chloride.
sent2: एस्पाराजिन एक कार्बनिक यौगिक है।