Any chemical compound having a five-membered ring with two oxygen heteroatoms at 1 and 3 positions and one double bond

concept

Pursuant to our policy of repeatedly reminding the physician of the exact composition of our products, we again submit the formula of Ergoapiol (Smith) ...  / Martin H. Smith Company.

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Dioxoles

Works from the collections

Pursuant to our policy of repeatedly reminding the physician of the exact composition of our products, we again submit the formula of Ergoapiol (Smith) ... / Martin H. Smith Company.