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N-Vinylpyrrolidone (NVP) is an organic compound consisting of a 5-membered lactam ring linked to a (2 carbon) vinyl group. It is a colorless liquid although commercial samples can appear yellowish. It is produced industrially by vinylation of 2-pyrrolidone, i.e. the base-catalyzed reaction with acetylene. [2]
1-ethenylpyrrolidin-2-one. Other names ... in pharmaceutical tablets. [1] ... and that is why it can precipitate tannins the same way as proteins do. [3]
Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer compound made from the monomer N-vinylpyrrolidone. [1] PVP is available in a range of molecular weights and related viscosities, and can be selected according to the desired application properties. [2]
Sunday's game will mark the second Super Bowl for Swift, who cheered on her boyfriend, Kansas City Chiefs tight end Travis Kelce last year with help from some of her closest girlfriends last year.
February 2, 2025 at 4:30 AM. A new opioid-free pain medication was approved by the U.S. Food and Drug Administration ... The Princess Diana-approved way to make bread pudding 10 times better.
The second of five storms that will slam the eastern half of the United States with snow and ice over a two week period is on the way – and this one has more snow than the first. Not 1. Not 2.
2-Pyrrolidone, also known as 2-pyrrolidinone or butyrolactam, is an organic compound consisting of a 5-membered lactam, making it the simplest γ-lactam. It is a colorless liquid that is miscible with water and most common organic solvents.
Demonstrators gather near the U.S. Capitol on Presidents' Day to protest against U.S. President Donald Trump's actions during his first weeks in office, in Washington, D.C., U.S., February 17, 2025.