Eton Pharmaceuticals, Inc. announced that the U.S. Food and Drug Administration (FDA) issued a Complete Response Letter (CRL) in response to its New Drug Application (NDA) for dehydrated alcohol injection for the treatment of methanol poisoning. The issues raised in the CRL relate primarily to Chemistry Manufacturing and Controls (CMC). The Company believes all issues in the CRL are addressable and will develop a comprehensive action plan to address the FDA's concerns.