22549
The relative lethalities of gamma - coniceine and ( - ) - , ( +/- ) - , and ( + ) - N - methylconiine in vivo using a mouse bioassay were 4 . 4 , 16 . 1 , 17 . 8 , and 19 . 2 mg / kg , respectively .
 Chemical: gamma - coniceine; Chemical: ( - ) - , ( +/- ) - , and ( + ) - 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: ( - ) - , ( +/- ) - , and ( + ) - N - methylconiine