% -*- coding:utf-8; mode:latex; -*- %

\begin{tikzpicture}
  \node[Vertex] (C) at (0, 0) {C};
  \node[Vertex] (R) at (-1, -1) {H\textsubscript{3}C};
  \node[Vertex] (O) at (0, 1) {O};
  \node[Vertex] (OH) at (1, -1) {OH};

  \coordinate (aux1) at (-0.05, 0);
  \coordinate (aux2) at (+0.05, 0);

  \draw[edge] (R) -- (C) -- (OH);
  \draw[edge] (aux1|-C.north) -- (aux1|-O.south);
  \draw[edge] (aux2|-C.north) -- (aux2|-O.south);
\end{tikzpicture}
