#$%^&*AU2013203903A120130502.pdf#####H:\REC\Interoven\NRPortbl\DCC\REC\5035573_i.doc-I 1/04/2013 ABSTRACT Provided is a pharmaceutical composition comprising a 11-deoxy-prostaglandin compound represented by formula (I): L R1 -A N and a fatty acid ester. By mixing the compound of formula (I) and a fatty acid ester, the compound of formula (I) will be stabilized.