▁References ▁ ▁cor ia ce a ▁Category : T rees ▁of ▁Peru ▁Category : T rees ▁of ▁Sur in ame ▁Category : T rees ▁of ▁Brazil ▁Category : T rees ▁of ▁French ▁Gu iana ▁Category : T rees ▁of ▁Colombia ▁Category : T rees ▁of ▁E cuador ▁Category : T rees ▁of ▁Guy ana ▁Category : T rees ▁of ▁Boliv ia ▁Category : T rees ▁of ▁H ond uras ▁Category : T rees ▁of ▁Pan ama ▁Category : T rees ▁of ▁Venezuela <0x0A> </s> ▁Ens ac ul in ▁( K A - 6 7 2 ) ▁is ▁a ▁drug ▁from ▁the ▁cou mar in ▁family , ▁which ▁has ▁been ▁research ed ▁as ▁a ▁potential ▁treatment ▁for ▁de ment ia . ▁It ▁acts ▁on ▁a ▁number ▁of ▁re ceptor ▁systems , ▁being ▁both ▁a ▁weak ▁N MD A ▁ant agon ist ▁and ▁a ▁ 5 HT 1 A ▁ag on ist . ▁Animal ▁studies ▁have ▁shown ▁prom ising ▁no otrop ic ▁effects , ▁although ▁effic acy ▁in ▁humans ▁has ▁yet ▁to ▁be ▁proven . ▁It ▁was ▁well ▁toler ated ▁in ▁human ▁tri als , ▁with ▁the ▁main ▁side ▁effect ▁being ▁orth ost atic ▁hyp ot ension ▁( low ▁blood ▁pressure ). ▁ ▁References ▁▁ ▁Category : N oot rop ics ▁Category : N -( 2 - m eth ox y phen yl ) pi per az ines ▁Category : C ou mar in ▁dru gs ▁Category : C ate ch ol ▁eth ers ▁Category : Res or cin ol ▁eth ers <0x0A> </s> ▁North