▁the ▁brain , ▁and ▁when ▁admin ister ed ▁in ▁a ▁narrow ▁do se ▁range ▁of ▁around ▁ 0 . 3 m g ▁can ▁produce ▁the ▁central ▁effects ▁of ▁confusion , ▁hall uc in ations ▁and ▁am nes ia , ▁but ▁without ▁producing ▁significant ▁physical ▁sympt oms , ▁which ▁was ▁predicted ▁to ▁make ▁poison ing ▁with ▁E A - 3 4 4 3 ▁much ▁more ▁difficult ▁to ▁diagn ose ▁and ▁treat . ▁However ▁despite ▁these ▁advantages , ▁E A - 3 4 4 3 ▁was ▁never ▁research ed ▁to ▁the ▁same ▁extent ▁as ▁Q NB ▁or ▁manufact ured ▁in ▁bulk , ▁and ▁research ▁into ▁E A - 3 4 4 3 ▁was ▁dis cont in ued ▁along ▁with ▁the ▁rest ▁of ▁the ▁US ▁chemical ▁weapons ▁program ▁in ▁the ▁mid - 1 9 7 0 s . ▁ ▁See ▁also ▁▁ ▁E A - 3 1 6 7 ▁ ▁N - m eth yl - 3 - pi per id yl ▁ben zil ate ▁ ▁N - eth yl - 3 - pi per id yl ▁ben zil ate ▁▁ 3 - Qu inu cl id in yl ▁ben zil ate ▁ ▁Dit ran ▁ ▁References ▁▁ ▁Category : D eli ri ants ▁Category : Mus car in ic ▁ant agon ists ▁Category : In cap ac it ating ▁agents ▁Category : Pi per id ines ▁Category : C yc lop ent anes <0x0A> </s> ▁ 1 9 5 0 ▁Alban ian ▁Cup ▁() ▁was ▁the ▁fourth ▁season ▁of ▁Alban ia ' s ▁annual ▁cup