\documentclass[paper=a4,DIV=calc]{scrartcl}
 
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage{graphicx}
\usepackage{caption,subfig} % z.B. [font=scriptsize]
\usepackage{siunitx}
\usepackage[numbers,sort&compress]{natbib}
\usepackage{microtype}
%\DisableLigatures{encoding = *, family = * }
\usepackage{hyperref}
 
\newcommand{\imsize}{.5\linewidth}
 
\begin{document}
 
disable ligatures with \verb+\usepackage{microtype}+ and \verb+\DisableLigatures{encoding = T1}+ $\rightarrow$ copying from pdf is easier for stuff like ``different''\ldots
 
\end{document}