2-(Aralkylated/Arylated/Arenylatedthio) 5-Benzyl-1, 3, 4-Oxadiazoles: As Less Cytotoxic And Moderate Inhibitors Of Cholinesterases

2-(Aralkylated/Arylated/Arenylatedthio) 5-Benzyl-1, 3, 4-Oxadiazoles: As Less Cytotoxic And Moderate Inhibitors Of Cholinesterases