142853-23-4Relevant articles and documents
Condensed heterocyclic compounds, their production and use
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, (2008/06/13)
A condensed heterocyclic derivative of the formula (I): STR1 wherein X is an oxygen atom, a sulfur atom or R1 --N1 is a hydrogen atom, a hydrocarbon group which may be substituted or an acyl group which may be substituted; R2 is a hydrogen atom or a hydrocarbon group which may be substituted; ring A is a benzene ring which may be substituted, k is a whole number of 0 to 3; m is a whole number of 1 to 8; and n is a whole number of 1 to 6, or a pharmaceutically acceptable salt thereof exhibiting high colinesterase inhibitory activity, and a method for producing the same.