R-CMH" in relation to pregabalin or its second-stage raw materials. Pregabalin is a medication used to treat neuropathic pain, epilepsy, and generalized anxiety disorder.
Pregabalin is typically synthesized through a multi-step process involving various chemical reactions. The raw materials used in its production may include starting compounds, reagents, solvents, and catalysts. However, I don't have access to specific information about the raw materials or the specific stages involved in the production of pregabalin,