22547
In this study , we synthesized gamma - coniceine and the enantiomers of N - methylconiine and determined the biological activity of gamma - coniceine and each of the N - methylconiine enantiomers in vitro and in vivo .
 Chemical: gamma - coniceine; Chemical: N - methylconiine; Chemical: gamma - coniceine; 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: gamma - coniceine; Chemical: N - methylconiine; Chemical: gamma - coniceine; Chemical: N - methylconiine