Displaying 1 results of Pinaverium Stable Isotopes Pinaverium is a medication used to treat irritable bowel syndrome and other gastrointestinal disorders. Stable isotopes of pinaverium are non-radioactive forms of the drug that are chemically identical to the standard compound but have a different atomic mass. These isotopes are used in pharmaceutical research and development to track the metabolism and distribution of the drug in the body, allowing for more accurate dosing and improved efficacy.