To furnish immediate proof that the peculiar improvement of catecholaminergic exercise while in the brain in animals addressed with a small dose of (−)deprenyl is unrelated to MAO inhibition, we made inside the early '90s a family of deprenyl analogues devoid on the MAO-B inhibitory effect (Knoll et al In https://ppaphcl12983.mybuzzblog.com/9834126/little-known-facts-about-ppap-hcl