Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
C514S383000, C514S392000, C548S262600, C548S300100, C548S251000
The present invention relates to a compound of the formula (1):wherein R1is group of the formula (2):(wherein X is nitrogen atom or C(R5), Y is nitrogen atom or C(R6), R5and R6are each independently hydrogen atom, etc.) etc., m is 1 to 6, L1is single bond, etc., R2is hydrogen atom, substituted or unsubstituted alkyl group, etc., R3is hydrogen atom, etc., L2is single bond, etc., R4is hydrogen atom, substituted or unsubstituted aryl group, etc., or pharmaceutically acceptable salt thereof, being useful for preventing or treating Alzheimer's disease.
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Birch & Stewart Kolasch & Birch, LLP
Dainippon Sumitomo Pharma Co. ,Ltd.
Saeed Kamal A
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