To furnish immediate evidence the peculiar improvement of catecholaminergic action in the brain in animals addressed with a small dose of (−)deprenyl is unrelated to MAO inhibition, we formulated within the early '90s a spouse and children of deprenyl analogues devoid on the MAO-B inhibitory outcome (Knoll et al Determine https://ppaphcl02211.post-blogs.com/51694665/detailed-notes-on-ppap-hcl