In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+2ACB (SUBSET OF ABOVE NOT EQUAL TO).
\subsetneqqSymbol
The ⫋ symbol (Subset of above not equal to, U+2ACB), written as \subsetneqq in LaTeX math mode.
The ⫋ symbol (Subset of above not equal to, U+2ACB), written as \subsetneqq in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+2ACB (SUBSET OF ABOVE NOT EQUAL TO).