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Our compound optimization that has led to synthesis of several potent 4 - anilinoquinazolines , including NEU617 , 23a , a highly potent , orally bioavailable inhibitor of trypanosome replication .
 Chemical: 4 - anilinoquinazolines; Chemical: NEU617
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: 4 - anilinoquinazolines; Chemical: NEU617