In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+27EE (MATHEMATICAL LEFT FLATTENED PARENTHESIS).
The ⟮ symbol (Mathematical left flattened parenthesis, U+27EE), written as \lgroup in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+27EE (MATHEMATICAL LEFT FLATTENED PARENTHESIS).