19307
Isolation , Structure Elucidation , and Iron - Binding Properties of Lystabactins , Siderophores Isolated from a Marine Pseudoalteromonas sp .
 Chemical: Iron; Chemical: Lystabactins
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Iron, Lystabactins 
Answer:
 Chemical: Iron; Chemical: Lystabactins