Articaine Hydrochloride (125 mg)

Methyl 4-methyl-3-[(N-propylalanyl)amino]-2-thiophenecarboxylate hydrochloride

Methyl 4-methyl-3-(2-propylaminopropanoylamino)thiophene-2-carboxylate hydrochloride

methyl 4-methyl-3-[[(1-oxo-2-(propylamino)propyl]amino]-2-thenoate monohydrochloride