\documentclass[12pt,border=0pt,tikz,class=scrartcl,multi=false]{standalone}
\usepackage{helvet}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{mathtools,amssymb}
\usepackage{pgfplots}
\pgfplotsset{compat=1.12}
\usetikzlibrary{positioning,calc,arrows,fit,backgrounds,decorations.text,shapes}
 
\usepackage{chemfig,chemmacros}
\renewcommand*{\familydefault}{\sfdefault}
\renewcommand*\printatom[1]{\ensuremath{\mathsf{#1}}}
\setatomsep{1.7em}
\setdoublesep{.6ex}
\setarrowdefault{,1,ultra thick}
\setbondstyle{thick,cap=but}
\definesubmol\nobond{-[,0.2,,,draw=none]}
 
\pagestyle{empty}
\thispagestyle{empty}
\begin{document}
\begin{tikzpicture}
	\node {
		\chemfig{*6((<HO)(!\nobond\hspace{9pt}\chembelow{}{\scriptscriptstyle3})
		-(!\nobond\chemabove[1ex]{}{\scriptscriptstyle2})(<:OH)
		-(!\nobond\hspace{-1ex}\chembelow{}{\scriptscriptstyle1})(<:OH)
		-O-(!\nobond\chembelow[1ex]{}{\scriptscriptstyle5})
		(<(!\nobond{\scriptscriptstyle6})-[::-60]OH)
		-(-[:-30,.2,,,draw=none]{\scriptscriptstyle4})(<:HO)
		-)}
	};
\end{tikzpicture}
\end{document}