.apexir_WORKSHEET_DATA tbody tr

$("ID_AGNLIST tr:eq(1) td.data[headers='RN']").text();

  <h1 class="visuallyhidden">r123</h1>
  <input id="apexir_REGION_ID" value="ID_AGNLIST" type="hidden">
<div id="apexir_WORKSHEET_REGION" class="apex_worksheet" aria-live="polite"><div id="apexir_DETAIL" class="apex_detail"></div><div id="apexir_REPORT" class="apex_report"><div id="apexir_TOOLBAR" class="apex_toolbar"><div id="apexir_TOOLBAR_OPEN" class="apexir_TOOLBAR_OPEN"><div id="apexir_TOOLBAR_CLOSE" class="apexir_TOOLBAR_CLOSE"><div class="apexir_COLUMN_SELECTOR"><a id="apexir_SEARCHDROPROOT" class="apexir_SEARCHICON" href="#" onclick="gReport.dialog2('SEARCH_COLUMN'); return false;" title="Select columns to search"><span>Select columns to search</span></a><input id="apexir_CURRENT_SEARCH_COLUMN" type="hidden"><div id="apexir_SEARCHDROP" style="display:none;"><br></div></div><div id="apexir_SEARCH_COLUMN_DROP"></div><div class="apexir_SEARCH"><input title="Search Report" size="30" maxlength="4000" value="" id="apexir_SEARCH" onkeydown="if($f_Enter(event)){gReport.search('SEARCH'); return false;}" type="text"><button id="apexir_btn_SEARCH" class="apexir-go-button" type="button" value="Go" onclick="gReport.search('SEARCH')"><span>Go</span></button></div><div class="apexir_SAVED_REPORTS"></div><div id="apexir_SEARCH_BAR_OPTIONS"></div><input id="apexir_NUM_ROWS" value="15" type="hidden"><div class="apexir_ACTION_MENU"><div class="dhtmlMenuLGButton"><button id="apexir_ACTIONSMENUROOT" class="dhtmlMenu" type="button" value="Actions" onclick="gReport.controls.menu(this,'apexir_ACTIONSMENU',false)"><span>Actions</span></button><ul id="apexir_ACTIONSMENU" htmldb:listlevel="2" class="dhtmlSubMenu" style="display:none;"><li><a href="javascript:gReport.dialog2('SHOW_COLUMN','COLUMN');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Select Columns"><img alt="" src="/i/ws/edit_col_32.gif"> Select Columns</a></li>
<li class="dhtmlMenuSep"><img src="/i/1px_trans.gif" alt="" class="dhtmlMenuSep" height="1" width="1"></li>
<li><a href="javascript:gReport.dialog2('SHOW_FILTER');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Filter"><img alt="" src="/i/ws/filter_32.png"> Filter</a></li>
<li class="dhtmlSubMenuN" title="Rows Per Page"><a href="#" class="dhtmlSubMenuS" onmouseover="dhtml_MenuOpen(this,'apexir_ROWS_PER_PAGE_MENU',true,'Left')"><img alt="" src="/i/ws/edit_col_32x24.gif" style="float:left;width:32px;height:24px;"><span>Rows Per Page</span><img src="/i/menu_open_right2.gif" alt="" class="htmldbMIMG" align="absmiddle"></a></li><ul id="apexir_ROWS_PER_PAGE_MENU" class="dhtmlSubMenu" style="display: none;" htmldb:listlevel="4"><li><a href="javascript:gReport.search('SEARCH',1)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="1"> 1</a></li>
<li><a href="javascript:gReport.search('SEARCH',5)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="5"> 5</a></li>
<li><a href="javascript:gReport.search('SEARCH',10)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="10"> 10</a></li>
<li class="dhtmlSubMenuSelected"><a href="javascript:gReport.search('SEARCH',15)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="15"> 15</a></li>
<li><a href="javascript:gReport.search('SEARCH',20)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="20"> 20</a></li>
<li><a href="javascript:gReport.search('SEARCH',25)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="25"> 25</a></li>
<li><a href="javascript:gReport.search('SEARCH',50)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="50"> 50</a></li>
<li><a href="javascript:gReport.search('SEARCH',100)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="100"> 100</a></li>
<li><a href="javascript:gReport.search('SEARCH',1000)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="1000"> 1000</a></li>
<li><a href="javascript:gReport.search('SEARCH',100000)" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="All"> All</a></li>
</ul><li class="dhtmlSubMenuN" title="Format"><a href="#" class="dhtmlSubMenuS" onmouseover="dhtml_MenuOpen(this,'apexir_FORMAT_MENU',true,'Left')"><img alt="" src="/i/ws/edit_col_32x24.gif" style="float:left;width:32px;height:24px;"><span>Format</span><img src="/i/menu_open_right2.gif" alt="" class="htmldbMIMG" align="absmiddle"></a></li><ul id="apexir_FORMAT_MENU" class="dhtmlSubMenu" style="display: none;" htmldb:listlevel="4"><li><a href="javascript:gReport.dialog2('SHOW_ORDERING');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Sort"><img alt="" src="/i/ws/sort_32.gif"> Sort</a></li>
<li><a href="javascript:gReport.dialog2('SHOW_CTRL_BREAK');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Control Break"><img alt="" src="/i/ws/break_col_32x24.gif"> Control Break</a></li>
<li><a href="javascript:gReport.dialog2('SHOW_HIGHLIGHT');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Highlight"><img alt="" src="/i/ws/highlight_32x24.gif"> Highlight</a></li>
<li><a href="javascript:gReport.controls.computation();" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Compute"><img alt="" src="/i/ws/calc_32x24.gif"> Compute</a></li>
<li><a href="javascript:gReport.dialog2('SHOW_AGGREGATE');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Aggregate"><img alt="" src="/i/ws/sum_32x24.gif"> Aggregate</a></li>
<li><a href="javascript:gReport.dialog2('SHOW_CHART');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Chart"><img alt="" src="/i/ws/chart_32x24.gif"> Chart</a></li>
<li><a href="javascript:gReport.dialog2('SHOW_GROUP_BY');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Group By"><img alt="" src="/i/ws/col_groups_32x24.gif"> Group By</a></li>
</ul><li class="dhtmlMenuSep"><img src="/i/1px_trans.gif" alt="" class="dhtmlMenuSep" height="1" width="1"></li>
<li><a href="javascript:gReport.dialog2('SHOW_FLASHBACK')" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Flashback"><img alt="" src="/i/ws/flashback_32x24.png"> Flashback</a></li>
<li class="dhtmlMenuSep"><img src="/i/1px_trans.gif" alt="" class="dhtmlMenuSep" height="1" width="1"></li>
<li><a href="javascript:gReport.dialog2('SAVE_REPORT');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Save Report"><img alt="" src="/i/ws/disk_32.gif"> Save Report</a></li>
<li><a href="javascript:gReport.dialog2('SHOW_RESET');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Reset"><img alt="" src="/i/ws/reset_32x24.gif"> Reset</a></li>
<li class="dhtmlMenuSep"><img src="/i/1px_trans.gif" alt="" class="dhtmlMenuSep" height="1" width="1"></li>
<li><a href="javascript:apex.navigation.popup.url('wwv_flow_utilities.show_ir_help?p_app_id=113&amp;p_worksheet_id=4584820241465956&amp;p_lang=ru');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Help"><img alt="" src="/i/ws/help_32x24.gif"> Help</a></li>
<li class="dhtmlMenuSep"><img src="/i/1px_trans.gif" alt="" class="dhtmlMenuSep" height="1" width="1"></li>
<li><a href="javascript:gReport.dialog2('SHOW_DOWNLOAD');" class="dhtmlSubMenuN" onmouseover="dhtml_CloseAllSubMenusL(this)" title="Download"><img alt="" src="/i/ws/download_32x24.gif"> Download</a></li>
</ul></div></div></div></div></div><div id="apexir_WORKSHEET"><div id="apexir_CONTROL_PANEL_DROP" class="drop_panel clearfix" style="display:none"></div><style id="apexir_WORKSHEET_CSS" type="text/css">
</style>
<input id="apexir_WORKSHEET_ID" value="4584820241465956" type="hidden">
<input id="apexir_APP_USER" value="SK101" type="hidden">
<input id="apexir_REPORT_ID" value="4585416030469509" type="hidden">
<div>
<div id="apexir_CHART">
</div>
<div id="apexir_GROUP_BY">
</div>
<div id="apexir_CALENDAR">
</div>
<div id="apexir_DATA_PANEL">
<table summary="">
<tbody><tr><td><table summary="" class="apexir_WORKSHEET_DATA" id="4584820241465956" border="0" cellpadding="0" cellspacing="0">

<tbody><tr><th id="AGNABBR"><div id="apexir_AGNABBR" onclick="gReport.controls.widget(this.id)" style="text-align:center;">Agnabbr</div></th><th id="AGNNAME"><div id="apexir_AGNNAME" onclick="gReport.controls.widget(this.id)" style="text-align:center;">Agnname</div></th><th id="RN"><div id="apexir_RN" onclick="gReport.controls.widget(this.id)" style="text-align:center;">Rn</div></th></tr>
<tr class="even"><td headers="AGNABBR" align="left">СК</td><td headers="AGNNAME" align="left">Что то </td><td headers="RN" align="right"><a href="f?p=113:4:15289205744910::NO::P4_AGNLIST_RN:112654">112654</a></td></tr>
</tbody></table>
</td></tr><tr class="fielddatasmall" align="left"><td>
</td></tr>
<tr><td colspan="4" class="pagination" align="right"><span class="fielddata"> 1 - 1 </span></td></tr>
</tbody></table>
</div>
</div>
</div>
</div></div><div id="apexir_rollover" style="position:absolute;display:none;"><table border="0" cellpadding="1" cellspacing="0" width="100%"><tbody><tr><td><span id="apexir_sortup"><img src="/i/ws/dup.gif" alt="Sort Ascending" title="Sort Ascending" onclick="gReport.column.order('ASC')"></span><span id="apexir_sortdown"><img src="/i/ws/ddown.gif" alt="Sort Descending" title="Sort Descending" onclick="gReport.column.order('DESC')"></span><span id="apexir_hide"><img src="/i/ws/trash.gif" alt="Hide Column" title="Hide Column" onclick="gReport.column.hide()"></span><span id="apexir_break"><img src="/i/ws/break_col.gif" alt="Control Break" title="Control Break" onclick="gReport.column.break_on()"></span><span id="apexir_info"><img src="/i/ws/info_20x18.gif" alt="Column Information" title="Column Information" onclick="gReport.controls.info()"></span><span id="apexir_computation"><img src="/i/ws/calc.gif" alt="Compute" title="Compute" onclick="gReport.controls.computation(false)"></span></td></tr><tr><td><input title="Search" onkeyup="$d_Find('apexir_rollover_content',this.value,'a');" style="width:95%;" id="apexir_search" type="text"></td></tr></tbody></table><div id="apexir_rollover_content"></div></div><span id="apexir_LOADER" style="display:none;" role="alert"><img alt="Processing Request" src="/i/ws/ajax-loader.gif"></span>

$("#ID_AGNLIST tr:eq(1) td.data[headers='RN']").text();

.apexir_WORKSHEET_DATA tbody>tr>td