\begin{table}%t1
\caption{\label{t:correctedlinestrengths}Corrected values for integrated line strength and derived column densities of observed molecular lines.}
%\setlength{\tabcolsep}{3pt}
%\centering\small
\begin{tabular}{l@{\ }l@{\ }l r@{\ }l cc}
\hline\hline \noalign{\smallskip}
Molecule &\multicolumn{2}{c}{Transition} &  \multicolumn{2}{c}{$\int T_{\rm mb}{\rm d}v$\tablefootmark{a}} & \multicolumn{2}{c}{\nmb\ (\scm)\tablefootmark{b}} \\
       &   &      & \multicolumn{2}{c}{(\Kkms)}         & $n$ = 10$^5$~\ccm & LTE   \\
\hline \noalign{\smallskip}
\cch    & $4_{7/2}$&$\to$ $3_{5/2}$ 		& 8.6	& $\pm$ 1.6	& \pow{4.4}{14}	& \pow{2.3}{14} \\
\cch    & $4_{9/2}$&$\to$ $3_{7/2}$ 		& 11.3	& $\pm$ 2.0	& \pow{4.9}{14}	& \pow{2.4}{14} \\
o-\hhco    & $5_{15}$ &$\to$ $4_{14}$  	& 9.3	& $\pm$ 1.6	& \pow{7.7}{14}	& \pow{3.8}{13} \\
SO    & $8_9$   &$\to$ $7_8$ 			& 5.2	& $\pm$ 0.9	& \pow{1.4}{15}	& \pow{7.2}{13}  \\
\eico    & 2     &$\to$ 1  				& 20.3	& $\pm$ 3.4	& \pow{2.3}{16}	& \pow{2.9}{16}   \\
HCN    & 3     &$\to$ 2    				& 74.0	& $\pm$ 14 	& $>$\pow{6.5}{12}\tablefootmark{c}	& $>$\pow{4.9}{13}\tablefootmark{c} \\
\thco    & 3     &$\to$ 2   				& 186	& $\pm$ 32	& $>$\pow{2.1}{16}\tablefootmark{c}	& $>$\pow{2.5}{16}\tablefootmark{c}  \\
\hline
\end{tabular}
\tablefoot {
\tablefoottext{a}{Fitted value of integrated intensity at peak position along the northeast slice (see Fig.~\ref{fig:images}); uncertainties include fitting uncertainty and 15\% absolute calibration uncertainty.}
\tablefoottext{b}{Beam-averaged column densities for $n$~= 10$^5$~\ccm\ and in LTE, both at $T$~=~85~K.} 
\tablefoottext{c}{Column density uncertain due to high optical depth; values listed here are lower limits.}}
\end{table}