Mofegiline
Mofegiline ( MDL-72 , 974 ) is a selective , irreversible inhibitor of monoamine oxidase B ( MAO-B ) and semicarbazide-sensitive amine oxidase ( SSAO ) which was under investigation for the treatment of Parkinson's disease and Alzheimer's disease , but was never marketed . 
<triplet> Mofegiline <subj> inhibitor <obj> subject has role