class="co">#&gt; $version</span>
<span class="co">#&gt; [1] "2.1"</span>
<span class="fu"><a href="../reference/meta.html">meta</a></span><span class="op">(</span><span class="va">Query</span><span class="op">)</span>
<span class="co">#&gt; # A tibble: 1 x 4</span>
<span class="co">#&gt; # Groups:   inchikey [1]</span>
<span class="co">#&gt;   identifier inchikey                             smiles classification_version</span>
<span class="co">#&gt;   &lt;chr&gt;      &lt;chr&gt;                            