To furnish immediate evidence which the peculiar improvement of catecholaminergic action in the brain in animals handled with a little dose of (−)deprenyl is unrelated to MAO inhibition, we produced in the early '90s a spouse and children of deprenyl analogues devoid in the MAO-B inhibitory outcome (Knoll et al https://ppap-hcl66532.shoutmyblog.com/29730910/the-basic-principles-of-ppap-hcl