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<!-- DOI: 10.1051/0004-6361/201015081 -->

<h2 class="sec">Online Material</h2>

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<tr><td><!-- init Label --><A NAME="zoom1"></A><!-- end Label--><A NAME="1026"></A><A NAME="figure558" HREF="img26.png"><IMG SRC="Timg26.png" ALT="\begin{figure}
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<td class="img-txt"><span class="bold">Figure 2:</span><p>
Zoom around the SO line 
<!-- MATH: $14_{13}{-}13_{12}$ -->
14<sub>13</sub>-13<sub>12</sub> at 601.258&nbsp;GHz. The other lines in the spectrum are from CH<sub>3</sub>OH, CH<sub>3</sub>OCH<sub>3</sub> as marked. Thre weaker lines are likely from ethanol (C<sub>2</sub>H<sub>5</sub>OH. Colours are as in  Fig.&nbsp;<a href="/articles/aa/full_html/2010/13/aa15081-10/aa15081-10.html#fig:fig1">1</a>. From bottom to top: L1157-B1, IRAS&nbsp;16293-2422, OMC2-FIR4, AFGL&nbsp;2591, and NGC&nbsp;6334I.
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
Zoom around the HDO line 
<!-- MATH: $2_{1,1}{-}2_{0,2}$ -->
2<sub>1,1</sub>-2<sub>0,2</sub> at 599.927&nbsp;GHz and the H<sub>2</sub>CO&nbsp;line 
<!-- MATH: $8_{1,7}{-}7_{1,6}$ -->
8<sub>1,7</sub>-7<sub>1,6</sub> at 600.331&nbsp;GHz. Colours are as in Fig.&nbsp;<a href="/articles/aa/full_html/2010/13/aa15081-10/aa15081-10.html#fig:fig1">1</a>. From bottom to top: L1157-B1, IRAS&nbsp;16293-2422, OMC2-FIR4, AFGL&nbsp;2591, and NGC&nbsp;6334I.
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<td class="img-txt"><span class="bold">Figure 4:</span><p>
Zoom around the CH<sub>3</sub>OH
lines of the 12-11&nbsp;series. The transitions of the brightest lines
are marked following the JPL catalog. The DNC&nbsp;8-7&nbsp;line lies
at 579.205&nbsp;GHz. Colours are as in Fig.&nbsp;<a href="/articles/aa/full_html/2010/13/aa15081-10/aa15081-10.html#fig:fig1">1</a>. From bottom to top: L1157-B1, IRAS&nbsp;16293-2422, OMC2-FIR4, AFGL&nbsp;2591, and NGC&nbsp;6334I.
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<p><A NAME="all-species"></A><p class="inset-old"><a href="/articles/aa/full_html/2010/13/aa15081-10/table3.html"><span class="bold">Table 3:</span></a>&#160;&#160;
List of detected lines, for all species except CH<sub>3</sub>OH and CH<sub>3</sub>OCH<sub>3</sub>.</p>
<p><A NAME="methanol"></A><p class="inset-old"><a href="/articles/aa/full_html/2010/13/aa15081-10/table4.html"><span class="bold">Table 4:</span></a>&#160;&#160;
List of detected lines of CH<sub>3</sub>OH.</p>
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