To furnish direct proof which the peculiar enhancement of catecholaminergic exercise inside the Mind in animals handled with a little dose of (−)deprenyl is unrelated to MAO inhibition, we created in the early '90s a relatives of deprenyl analogues devoid in the MAO-B inhibitory outcome (Knoll et al copyright - https://ppap-hcl66432.blog-a-story.com/10428913/the-basic-principles-of-ppap-hcl