Nikaido Marmelstein Murray & Oram, LLP
Substance FA-70D, process for producing the same, and uses thereof
 Substance FA-70D which has the following formula (1), or its salt, a method for its production, a pharmaceutical composition comprising the compound as an active ingredient, a method of treating osteoporosis which comprises administering the compound, use of the compound as a drug, and a microorganism capable of producing Substance FA-70D are disclosed. This compound has specific inhibitory activity against cathepsin series proteases and is of value as a therapeutic drug for various diseases, particularly osteoporosis, with which these enzymes are associated. ##STR1## 
Taiho Pharmaceutical Co., Ltd.
A A C C A
A61P A61K C07K C12P A61P
inventional additional inventional inventional inventional
Toru Kenichiro Lei Nobuhiko Yun Toshio Shizuo
Sasaki Yoshida Yu Katsunuma Wu Otani Kitano