| 摘要 |
<p>A diagnostic agent for pancreatic exocrine functions which contains a dipeptide represented by the following formula (I) or a pharmaceutically acceptable salt thereof: X1-R1-Y1 (I) wherein X1 is a protective group; R1 is a residue of phenylalanine, glutamine, valine, tyrosine, methionine, serine, or threonine; and Y1 is an optionally protected 13C-labeled alanine.</p> |
