7709
Flow cytometry with gal - 1 ( - / - ) splenocytes showed that 6DBF7 and two of its more potent analogs ( DB16 and DB21 ) can fully inhibit fluorescein isothiocyanate - gal - 1 binding .
 Chemical: 6DBF7; Chemical: DB16; Chemical: DB21; Chemical: fluorescein isothiocyanate
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: 6DBF7; Chemical: DB16; Chemical: DB21; Chemical: fluorescein isothiocyanate