{HEAD ~ A method} of inhibiting {TAIL ~ the transport} of a neurotransmitter away from a synapse comprising contacting said synapse with a compound selected from the group consisting of compounds having the structure: ##STR7## wherein 
of inhibiting
{ HEAD ~ A method } of inhibiting { TAIL ~ the transport } of a neurotransmitter away from a synapse comprising contacting said synapse with a compound selected from the group consisting of compounds having the structure : # # STR7 # # wherein
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH