To furnish direct evidence the peculiar improvement of catecholaminergic activity while in the Mind in animals dealt with with a little dose of (−)deprenyl is unrelated to MAO inhibition, we designed within the early '90s a family of deprenyl analogues devoid of the MAO-B inhibitory effect (Knoll et al Anyhow, https://paxtonjexpg.blogpostie.com/52357535/the-definitive-guide-to-ppap-hcl