Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Amino acid derivatives and their use as phospholipase A.sub.2 inhibitor
 The present invention relates to a novel fatty acid derivative of the following formula: ##STR1## wherein R.sup.1 is acyl group, etc.; PA1 R.sup.2 is acyl(lower)alkyl; PA1 R.sup.3 is lower alkyl, etc.; PA1 R.sup.4 is hydrogen, etc.; and PA1 X is --O--, etc; and a pharmaceutically acceptable salt thereof, which is useful as a medicament; the processes for the preparation of said fatty acid derivative or a salt thereof; a pharmaceutical composition comprising said fatty acid derivative or a pharmaceutically acceptable salt thereof; etc. 
Fujisawa Pharmaceutical Co., Ltd.
C A C C C C C C A C C C C C C C C C A C A A A C C A C A C A C C C C A A A C A C A C C A C
C07D A61P C07D C07C C07D C07D C07D C07D A61P C07D C07D C07D C07D C07D C07C C07D C07D C07C A61P C07C A61P A61P A61P C07D C07D A61P C07D A61P C07C A61P C07D C07D C07D C07D A61P A61P A61P C07D A61P C07D A61P C07C C07D A61P C07D
inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional
Nobuharu Yasuhisa Satoshi Seiji Naoki Shigehiro Masanori Keiji Masakuni Hirokazu Takanao
Shigematsu Tsurumi Okada Yoshimura Fukami Takase Okamoto Hemmi, deceased Okuhara Tanaka Otsuka