10625
These include C - ring - truncated ( " ABD " , 2 ) and A - ring - truncated ( " BCD " , 3 ) ring systems , which are providing new scaffolds for potentially useful therapeutic applications .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None