Code point
U+249F
Glyph appearance depends on your fonts.
U+249F
So<compat> 0028 0064 0029U+249F PARENTHESIZED LATIN SMALL LETTER D is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Enclosed Alphanumerics block.
Choose the representation you need, then copy its value.
U+249F
9375
⒟
⒟
E2 92 9F
249F
0000249F
%E2%92%9F
\u249F
\u249F
\u249F
\249F