▁p FB T : ▁ ▁Z atos et ron : ▁ ▁Trop ans er in : ▁ ▁B emes et ron um : ▁▁▁▁ 3 -( p - F lu or oben zo y lo xy ) t rop ane ▁( 3 0 % ▁stim ul ant ▁pot ency ▁of ▁c oca ine ▁& ▁equip ot ent ▁as ▁an ▁an a est h etic ) ▁ ▁Z atos et ron ▁( an xi ol yt ic ▁& ▁ant in ause ant ▁ 5 HT 3 ▁re ceptor ▁ant agon ist ) ▁ ▁Trop ans er in ▁( m ig raine ▁medic ation , ▁pot ent ▁& ▁select ive ▁ 5 HT 3 ▁ant agon ist ) ▁ ▁B emes et ron um ▁( anti em etic , ▁mechan isms ▁related ▁to ▁o xy to cin ▁function , ▁ser ot on in ▁D - re cept ors , ▁ch olin ore cept ors ▁of ▁the ▁mus car in ic ▁or ▁nic ot in ic ▁kind ▁and ▁hist am ine ▁H 1 - re cept ors ) ▁c f . ▁Trop is et ron ▁Con vol am ine : ▁ ▁Ph yll al bine : ▁ ▁Met el oid ine : ▁ ▁Similarly , ▁many ▁natural ▁trop ane ▁al kal oid s ▁found ▁in ▁plants ▁of ▁various ▁families ▁have ▁ben zo yl ▁trop ane ▁structures . ▁In cluding ; ▁cat u ab ine , ▁con vol am ine ▁of ▁the ▁con vol v ul aceae ▁& ▁ph yll al bine ▁of ▁eu ph orb ia