AMINO ACID DERIVATIVES AND THEIR USE AS PHOSPHOLIPASE A2 INHIBITORS

摘要

The present invention relates to a novel fatty acid derivative of formula (I) wherein R<1> is acyl group, etc.; R<2> is acyl(lower)alkyl; R<3> is lower alkyl, etc.; R<4> is hydrogen, etc.; and 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.