To furnish direct proof the peculiar enhancement of catecholaminergic exercise during the brain in animals handled with a little dose of (−)deprenyl is unrelated to MAO inhibition, we designed inside the early '90s a family of deprenyl analogues devoid with the MAO-B inhibitory outcome (Knoll et al PPAP 23 preferentially https://ppaphcl44320.tkzblog.com/30142288/the-ppap-hcl-diaries