 the identifier for Branded Drug or Clinical Drug Concept.</td>
</tr>
<tr class='odd'>
 <td class='primaryKey' title='Primary Key'>ingredient_concept_id</td>
 <td class='detail'>int4</td>
 <td class='detail' align='right'>10</td>
 <td class='detail' align='center'></td>
 <td class='detail' align='center'></td>
 <td class='detail'></td>
 <td class='detail'></td>
 <td class='detail'>
  <table border='0' width='100%' cellspacing='0' cellpadding='0'>
   <tr class='relative odd' valign='top'>
    <td class='rela