18899
In an effort to discover new potent Pim - 1 inhibitors , a previously identified ATP - competitive indolyl - pyrrolone scaffold was expanded to derive structure - activity relationship data .
 ATP, indolyl - pyrrolone
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ATP, indolyl - pyrrolone