18186
Two new piperidine alkaloids , streptazones E ( 1 ) and F ( 2 ) , were isolated from Streptomyces sp .
 Chemical: piperidine alkaloids; Chemical: streptazones
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: streptazones