25850
Microcystin - YR ( 2 ) , - RR ( 3 ) , and - RY ( 9 ) were isolated from bloom material from Lake Victoria , and the structure of 9 was confirmed by NMR spectroscopic analysis and NMR spectral comparison with 2 and 3 .
 Chemical: Microcystin - YR ( 2 ) , - RR ( 3 ) , and - RY ( 9 )
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: Microcystin - YR ( 2 ) , - RR ( 3 ) , and - RY ( 9 )