22548
The relative potencies of these piperidine alkaloids on cells expressing human fetal muscle - type nicotinic acetylcholine receptors had the rank order of gamma - coniceine > ( - ) - N - methylconiine > ( +/- ) - N - methylconiine > ( + ) - N - methylconiine .
 Chemical: piperidine alkaloids; Chemical: acetylcholine; Chemical: gamma - coniceine; Chemical: ( - ) - N - methylconiine; Chemical: ( +/- ) - N - methylconiine; Chemical: ( + ) - N - methylconiine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: piperidine alkaloids; Chemical: acetylcholine; Chemical: gamma - coniceine; Chemical: ( - ) - N - methylconiine; Chemical: ( +/- ) - N - methylconiine; Chemical: ( + ) - N - methylconiine