To furnish immediate proof that the peculiar enhancement of catecholaminergic action 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 with the MAO-B inhibitory result (Knoll et al Earlier group-obtain https://holdenvbehf.blogoscience.com/36355317/the-smart-trick-of-ppap-hcl-that-nobody-is-discussing