In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+22E8 (PRECEDES BUT NOT EQUIVALENT TO).
The ⋨ symbol (Precedes but not equivalent to, U+22E8), written as \precnsim in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+22E8 (PRECEDES BUT NOT EQUIVALENT TO).