Synthesis [edit]. Quaternary ammonium compounds are prepared by the alkylation of tertiary amines with a halocarbon. In older literature this is often called a Menshutkin reaction, however modern chemists usually refer to it simply as quaternization.uaternary ammonium compounds have also been shown to have antimicrobial activity. Certain quaternary ammonium compounds, especially those containing long alkyl chains, are used as antimicrobials and disinfectants.
Answer: XPF files are Uncommon Files primarily associated with XaoS Position File (Jan Hubicka Thomas Marsh Zoltan Kovacs and Others).
CIF is a file extension for a caller file format used by Norton's pcAnywhere remote access software. CIF stands for Caller I.D. File. CIF files contain a name and a password to identify the calling user. The CIF file extension is also associated with Easy CD Creator image files and CalTech Intermediate Graphic files.