2-ethylimidazole is a versatile and versatile intermediate. It is used as an active ingredient and as a basic material for epoxy curing. It is used to synthesize Lazaroxaban, which is an efficient, selective, and oral inhibitor of the bioavailability factor Xa. It can also be used to synthesize 4-aryl-5-cyano-2-aminopyrimidine as an inhibitor of VEGF-R2.