Structure–Function Relationships of Betaine and Progress in Its Detection and Applications
Betaine , also known as N,N,N-trimethylglycine, is a quaternary ammonium small molecule named after its first isolation from sugar beet. The molecule contains both a quaternary ammonium cationic center and a carboxylate anionic center, giving an overall zwitterionic (inner-salt) structure. This ...
危险品化学品经营许可证（带存储）