Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
2013 World Championships in Athletics – Women's 400 metres
Table title:
Final
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Lane </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Nationality </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 4 </td><td class="highlighted"  colspan=1 rowspan=1 > Christine Ohuruogu </td><td colspan=1 rowspan=1 > Great Britain & N.I. (GBR) </td><td class="highlighted"  colspan=1 rowspan=1 > 49.41 </td><td colspan=1 rowspan=1 > NR </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 5 </td><td class="highlighted"  colspan=1 rowspan=1 > Amantle Montsho </td><td colspan=1 rowspan=1 > Botswana (BOT) </td><td class="highlighted"  colspan=1 rowspan=1 > 49.41 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > Stephanie McPherson </td><td colspan=1 rowspan=1 > Jamaica (JAM) </td><td colspan=1 rowspan=1 > 49.99 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > Natasha Hastings </td><td colspan=1 rowspan=1 > United States (USA) </td><td colspan=1 rowspan=1 > 50.30 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > Francena McCorory </td><td colspan=1 rowspan=1 > United States (USA) </td><td colspan=1 rowspan=1 > 50.68 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > Kseniya Ryzhova </td><td colspan=1 rowspan=1 > Russia (RUS) </td><td colspan=1 rowspan=1 > 50.98 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > Novlene Williams-Mills </td><td colspan=1 rowspan=1 > Jamaica (JAM) </td><td colspan=1 rowspan=1 > 51.49 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > DQ </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > Antonina Krivoshapka </td><td colspan=1 rowspan=1 > Russia (RUS) </td><td colspan=1 rowspan=1 > 49.78 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Which two athletes tied for first place in the women's 400 metre race at the 2013 Athletics World Championships with a time of 49.41 ?  
Answer:
49.41, the same time was posted by Christine Ohuruogu and Amantle Montsho.