To furnish direct evidence the peculiar improvement of catecholaminergic activity from the brain in animals dealt with with a small dose of (−)deprenyl is unrelated to MAO inhibition, we made in the early '90s a household of deprenyl analogues devoid on the MAO-B inhibitory impact (Knoll et al copyright - https://felixspjbu.bligblogging.com/30799063/little-known-facts-about-ppap-hcl