Patent ID: 7037899

Claim:
A pharmaceutical composition comprising a pharmaceutically effective amount of a compound having the structure of Formula I or its pharmaceutically acceptable salts, esters, enantiomers, diastereomers, N-oxides, amides, wherein R is C 1 to C 15 alkyl, alkene, alkyne (straight chain or branched), aryl, or alkylaryl and R 1 is methyl, phenyl o-, m- or p-chlorophenyl, tolyl, methoxyphenyl or nitrophenyl and R 2 is H, pyrrolidinyl, piperidinyl, morpholinyl or hexamethyleneamino or a radical of the formula NHR 3 , wherein R 3 is C 1 to C 15 alkyl, alkene or alkyne (straight chain or branched) or a radical of Formula III wherein n is 2 to 5 and is a five-, six- or seven-membered heterocyclic ring containing one or more heteroatoms, and a pharmaceutically acceptable carrier.