Articaine Related Compound B (25 mg) (4-methyl-3-{[2-(propylamino)propanoyl]amino}thiophene-2-carboxylic acid)

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Articaine Related Compound E (40 mg) (Methyl 3-[2-(isopropylamino)propanamido]-4-methylthiophene-2-carboxylate)

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Articaine (40 mg)

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Articaine Hydrochloride (125 mg)

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Articaine Related Compound A (40 mg) (Methyl 4-methyl-3-[2-(propylamino)acetamido]thiophene-2-carboxylate)

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