To furnish direct evidence which the peculiar enhancement of catecholaminergic action in the brain in animals addressed with a small dose of (−)deprenyl is unrelated to MAO inhibition, we formulated while in the early '90s a family members of deprenyl analogues devoid from the MAO-B inhibitory effect (Knoll et al https://ppap-hcl99887.answerblogs.com/30430265/the-single-best-strategy-to-use-for-ppap-hcl