ceae ▁( Ph yll anth us ▁disco ï des ) ▁families . ▁The ▁latter ▁is ▁a ▁central ▁and ▁peri pher al ▁sympath om im etic ▁drug . ▁Ph yll al bine ▁is ▁also ▁to ▁m eth ylvan illy le c gon ine ▁what ▁trop ac oca ine , ▁as ▁a ▁met abol ite , ▁is ▁to ▁c oca ine . ▁Like wise ▁van ill in ▁would ▁be ▁a ▁hydro ly t ic ▁de grad ation ▁product ▁of ▁ph yll al bine ▁just ▁as ▁m eth yl ▁ben zo ate ▁is ▁for ▁c oca ine . ▁The ▁al kal oid ▁Met el oid ine , ▁found ▁in ▁D atura ▁& ▁Bru g mans ia , ▁is ▁tent atively ▁also ▁ext ant ▁in ▁the ▁Australian ▁E ry th ro x yl um ▁species . ▁ ▁But yl sc opol am ine : ▁ ▁M eth yl sc opol am ine : ▁ ▁F ent on ium : ▁▁ ▁Other ▁trop any l ▁comp ounds ▁( n atur ally ▁found ▁or ▁otherwise ) ▁begin ▁to ▁fall ▁outside ▁the ▁spectrum ▁of ▁functional ▁analog ues ▁to ▁c oca ine ▁altogether ; ▁having ▁neg lig ible ▁aff inity ▁of ▁any ▁kind ▁for ▁the ▁mon o am ine ▁system . ▁Comp are ▁for ▁example ▁i pr at rop ium , ▁mir is et ron , ▁te ch ne pine , ▁lev ome p ate ▁or ▁sc opol am ine ▁& ▁at rop ine . ▁Many ▁of ▁the ▁natural ▁vari eties ▁being ▁del iri ants . ▁ ▁NK - 1 1