9733
Competitive displacement binding assays using t - BBN / BVD15 - DO3A against ( 125 ) I - Tyr ( 4 ) - BBN yielded an IC ( 50 ) value of 18 +/- 0 . 7 nM for GRPR in T - 47D cells , a human breast cancer cell line .
 Chemical: ( 125 ) I; Chemical: Tyr
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: ( 125 ) I; Chemical: Tyr